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Used Startup Ideas

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đź’ˇ Converting ads into in-game currency, which can then be used to buy items in the game

1,431

A platform that helps people easily sell used furniture, household goods, and other items.

1,003

A chat bot that helps you find the cheapest flights to your destination, set alerts for when prices drop, and handle tons of other travel-related tasks. The startup is focused on helping travelers manage their itineraries and get the most out of their travel.

814

A company that helps people figure out what kind of insurance they need, and then helps them find the best and cheapest way to get it. The startup says they’ve already gotten good feedback from people who have used their site.

768

A startup for selling and buying used computers from other people. Users can sell their old computers in exchange for cash or trade them in for newer ones. The company provides a platform to help people sell their old computers and also offers a buy credit option.

378

A female-focused, non-sexualized virtual reality platform where women can connect with other women in a safe and judgement-free environment to discuss and learn about sexual health and wellness.

274

“A quick-and-easy way to sell your used books online”.

257

A startup to find and buy used furniture, which makes the process easier for both buyers and sellers. The company is currently in beta, with the site having been live on a small scale for just over a year.

217

A startup that uses artificial intelligence to help prevent fraud in payments. It’s an API for banks and merchants to check if accounts are being used fraudulently.

215

A place to buy and sell unused books.

178

Aspiring to be like Amazon, this startup wants to be the Amazon of the $3.5 trillion retail industry. They say they’re currently focused on a core product that will eventually be able to make recommendations for products to customers, and have already signed up a number of retailers.

165

A startup focused on the creation of multiplayer games on mobile and web, building on the success of multiplayer games like Candy Crush and Clash of Clans.

164

A shopping site for second-hand, used books

163

A new company, made possible with the launch of the new iPhone X, is developing a smartphone that looks like a watch and can be used to take selfies.

155

A startup that connects brands with influencers It’s a marketplace for influencer marketing, and it’s currently focused on influencers that have large Instagram followings

152

An AI with a mobile app that helps homeowners sell their unused real estate.

149

Idea: A startup that allows people to buy and sell their used items using augmented reality

146

Custom holograms for marketing campaigns, allowing companies to create holograms of their logo or product that can be used for promotions, company events, or even as stickers to mark employees in the office

146

The startup is a spin-off of a company called Hint, which was founded in 2015 to help people make better decisions about personal finance. The data can be used to help consumers identify opportunities for savings and investments, and Hint says one in three Americans don’t have enough money saved.

139

The founders of this startup are trying to create a new kind of credit card that can be used across multiple merchants, instead of different cards for different merchants.

136

A platform for sharing and selling reusable office supplies to businesses. The startup focuses on 8 great office supply items that are used a lot, but don’t get recycled as often as they should. They’re currently focusing on the US, but plan to expand internationally and into business software.

133

A video games-focused startup that has created a “fitness tracker” for gamers. It’s a patch that attaches to a gamer’s sleeve and tracks their movements in real time while they play.

132

A "smart home monitoring" startup focused on energy efficiency. It's currently in a pre-launch stage, with a device that allows users to remotely turn off lights and lock doors with a smartphone, and the company says it has acquired $2.4 million in seed funding

131

 A startup that turns unused kitchen appliances into bitcoin mining rigs

126

A startup where you can buy used tablet computers from big retailers like Best Buy and Staples.

126

A startup that creates a dating app focused on building meaningful relationships

123

A startup that hopes to help people save money by getting them to share their unused parking spots with strangers with the goal of getting more free parking spots for more people.

116

A platform where you can sell your used stuff to others.

113

A “social network for nurses”, where nurses can connect with each other and patients. The company is currently focused on the US healthcare system.

112

A mobile payments startup that is focused on India, offering a personal loan service to people without bank accounts.

109

A chatbot that organizes your orders and delivery for you. It currently has a team of 3, has raised about $1 million, and is focused on San Francisco for now.

109

The startup is building a platform to help people to buy and sell gently used items, like cars, without having to go through a third party like eBay or Craigslist. They have a plan in place to expand into new categories in 2020.

108

A startup that allows users to search for, and buy, a cheap used car from other people’s parked cars.

106

A platform that connects people looking to buy and sell goods and services for a commission. It’s similar to Groupon, but focused on more niche products and services.

105

An India-focused, browser-based online marketplace for real estate.

104

CodeIgniter, a PHP framework, is used by about 25% of all websites.

103

A startup that connects people who have things to give away with those who need them. It’s a sister-focused startup to Giveaway and Charitybuzz, which helps people find others who are looking for things to give.

101

A data science startup focused on building machine learning solutions for the shipping and logistics industry. The company helps companies identify patterns in their data and build predictive models to improve operational efficiency.

100

An online marketplace for the sale of used bikes and other goods. It’s also a user driven marketplace where users can connect with sellers.

100

A system that lets small businesses and individuals buy and sell their used goods securely.

98

A chat bot that lets people through meditation than can be used to help people battle depression

97

A company focused on corporate software for the cannabis industry. The founders say they’ve already secured $2m in funding.

97

A startup that lets people buy tickets to events that they can attend from their phone, and their friends can recommend. Ticketfly is focused on events like concerts, sporting events and live theater.

97

A company focused on the web and mobile performance, making the world’s largest distributed network for web and mobile services.

96

A tool for managing an online student organization. It can be used to invite and manage members, track events, and make payments.

95

A B2B company focused on creating a visual sales tool for sales teams and executives.

95

A hamburger-focused delivery startup targeting the Bay Area, with a goal of having a minimum of $20 million in revenue by the end of the year.

95

A platform that connects buyers with sellers, allowing users to sell used items like books and DVDs, or purchase new ones in bulk.

95

The startup is an online marketplace for local services. Currently it’s focused on New York City.

94

A startup that wants to make the process of buying and selling used cars more straightforward.

94

An online marketplace for the trade of used books, trading them through a trusted system.

94

A startup that is building a way to sell tickets to virtual events. Currently focused on ticketing for fitness events.

93

A startup that allows people to sell their used books, and it’s helped 20,000 people make $100,000.

93

A company focused on doing the same thing as Freshbooks, but for freelancers.

93

A startup for the sale of used cars, which is designed to be faster, cheaper, and easier than dealerships.

93

A startup that provides a service where people can rent out their unused vacation home for 2 weeks a year and make extra money

91

This is an online marketplace for people who want to sell their old stuff. It also wants to be a marketplace for people who want to buy used stuff.

91

Motion-tracking device that can be used with any smartphone.

91

A physical token that can be used to unlock any door in the world

91

A San Francisco-based company that wants to make it easy for people to take photos and videos of their food. The startup is focused on helping people create the perfect Instagram photos to show off what they’re cooking, eating, or buying.

91

A startup that’s building a 3D printing platform for mixed-use buildings. The tech allows for 3D printing of 3D models to be used in building construction.

91

A medical record-tracking app for doctors. The startup is currently being used to track 3,000 patients in the US.

90

A platform that allows consumers to make payments online for new or used products, and then track their orders.

90

The founders of this startup are building a device to help you identify the origin of your food. It can be used to eliminate food fraud, and help the world’s poorest populations.

90

A way to create a “digital currency” that can be used across a number of e-commerce sites, allowing them to transact easily and quickly.

90

A credit card with a debit card that earns points and can be used for all purchases, including travel and dining.

90

A startup that helps companies set up a session-based video conference system that can be used on any device.

90

A startup that helps you set up a study abroad or exchange program at a college in the US. The startup is currently focused on China and has a pending partnership with a college there.

89

A startup for the sale of used and new cars.

89

A real estate app meant to help people find, research, and purchase houses. The startup is currently focused on the San Francisco Bay Area.

89

A platform that helps small businesses find financing to grow. The service is used by over 1,000 businesses in the US.

89

A company that wants to streamline the hiring process for employers, letting them post jobs and give applicants a chance to respond. It’s been used by companies like Lyft and Warby Parker.

88

A SaaS accounting service focused on small businesses. It’s powered by Intuit’s QuickBooks enterprise software.

88

A platform that will allow you to make adjustments to your iPhone or iPad without having to open it up. The startup is focused on making it easier for people to tweak their iOS devices.

88

It’s a company that offers a way for people to buy and sell used parts, like alternators, spark plugs, or fuel pumps, using the same FBA business model that Amazon uses to sell used items.

87

Helps small business owners find the right talent, like accountants, lawyers and consultants. Things like word-of-mouth, LinkedIn, past client referrals and referrals from the company’s own customers are used to get business owners to the right talent.

87

A Paris-based digital marketplace for people who want to sell their unused items.

87

A free database of all consumer credit cards, available online and allowing users to search for cards, compare them, and see where they’re used.

87

A startup that’s building a marketplace for the sale of unused construction equipment.

86

The startup’s goal is to help users achieve a more “authentic” online presence. They’re building software that allows users to design their own avatars, choosing from a variety of “personas”, which can be used on other platforms, like Facebook, Twitter, or other social networks.

86

The startup’s service allows users to create custom-designed and branded debit cards to be used at millions of locations in the US, UK, Canada, France, and Australia. It also does global spending and cross-border payments for businesses that need it.

86

A startup for users to sell their used cell phone and get it unlocked.

86

A platform that enables people to buy and sell things like furniture, cars, and apartments, and rent out unused rooms. Borrowers can use the platform’s software to manage the loan, and borrowers can access the property remotely. The platform is currently focused on the UK.

85

This startup aims to use the power of blockchain to help people find, buy, and sell their used goods.

85

A startup that helps people find and close the deals for them. The startup is focused on the B2B segment, but it’s already working with companies like Capital One, Intuit, and Salesforce.

85

A tool for managing a sales team, helping reps track and forecast sales. The company says it has been in private beta since April and is currently focused on small businesses.

85

A startup that helps people to buy and sell used cars, which helps save the environment. The entrepreneurs say that they’ve seen a lot of interest in the platform from US car dealerships.

84

An ecommerce marketplace for buying and selling used products.

84

A company that is building a model to predict food allergies that can be used by the food industry to help them produce more nutritious, less allergenic food.

84

Symmetry is building a digital taxidermist, a tool to help users turn their photos into 3D digital models. It can be used for anything from creating a doll of a family member to making a taxidermy mount of a dead animal.

84

A startup that’s building out a platform to help users with recurring payments like subscriptions and digital products. The product helps people manage their recurring payments, and is already being used by 65,000 users with 30,000 active channels.

84

A fashion-focused app that delivers on-demand styling help.

84

Currently focused on the UK, a B2B company that enables people to borrow money from their employer via a payroll deduction. It charges 1% interest for up to 12 months, and the company keeps 2% of the loan amount.

84

A crowd-funded project to bring the benefits of underfloor heating and cooling to the underdeveloped world. The startup’s founders came up with the concept for a client-focused project as a way to combine the technology with other humanitarian efforts.

83

A home cleaning startup that’s focused on getting people to do more of their own house cleaning.

83

 API developer that provides an easy way to create a custom API for a company or organization, as well as an API that can be used by other companies. The company's software is designed for startups, but could be applied to other business settings.

83

A startup that wants to bring true visual search to the web. The startup uses AI to detect the objects in a picture or video, and then uses that data to power a search engine that can be used from anywhere.

83

A web design consultancy focused on helping companies get their websites and business up to speed.

83

A tool to help people quit smoking. The startup’s product, Patch, is designed to help people quit smoking through animations and imagery that help them break their habit. It’s designed to be used alongside other cessation products.

83

A platform for online business owners to manage their inventory. The startup is focused on the fashion market.

83

A tech-focused project management platform for small to midsize teams.

83

A startup for selling used cars online for cash

83

A mobile app that creates a single login for all of your internet accounts. The company is focused on developing a solution that is secure and easy to use. The startup is focused on creating a solution that is safe and easy to use. The company is focused on creating a solution that is safe and easy to use. The company is focused on creating a solution that is safe and easy to use. The company is focused on creating a solution that is safe and easy to use. The company is focused on creating a solution that is safe and easy to use. The company is focused on creating a solution that is safe and easy to use. The company is focused on creating a solution that is safe and easy to use. The company is focused on creating a solution that is safe and easy to use. The company is focused on creating a solution that is safe and easy

83

A startup focused on expanding the definition of who and what can be a customer

82

A way of organizing a person's social life through a calendar. The startup is backed by Y Combinator, and the company is currently focused on the enterprise market, but plans to bring it to consumers soon.

82

A messaging app focused on messaging and group creation.

82

A “digital marketplace for used books and audiobooks” that allows users to find and buy books in their community of interest.

82

A startup focused on offering a new way for people to get around. The company is focused on making public transit faster, more reliable, and more accessible, and it wants to do that by buying out bus companies and running them as its own private transportation network.

82

A startup for buying and selling tickets to events. The startup is focused on events in the UK and Europe. They were formerly known as Ticket Vending.

82

A platform for building chatbots that is meant to be used for enterprise-level business.

82

Notify is a data entry platform used by companies like Facebook, Slack, and Etsy. The startup is building an email-based alternative, so companies don’t have to rely on their help desk.

82

This company is focusing on anonymized data for companies. The startup lets anyone sell anonymized data about their customers, which can be used by businesses to provide better services.

81

Money does not work like it used to. It’s more like a series of cashier store charges. This company wants to make the experience of using cash for transactions more like the way we use our phones.

81

A startup that aims to take the power out of microgrids and put it into the hands of consumers. The startup is working on a battery pack with solar panels that can be installed on the rooftops of homes and offices and be used to supply electricity for a certain period of time, much like a powerbank.

81

A real estate focused business that connects tenants and landlords. The startup is a bit like Rocket Mortgage, a company that helps people with bad credit refinance their home loans — the startup’s focus is more on the landlord side of the equation. The startup charges a monthly fee of $50 for their service.

81

A connected car startup focused on providing an on-demand ride service. It’s one of the companies that was part of the Telangana government’s PPP program.

81

A startup focused on making it easier for employers and HR professionals to manage the onboarding process. The company is building a process for hiring new employees that’s “one of the most frustrating parts of the process”. It would be used to help the company add new employees, fix the onboarding process, and help identify the right kind of jobs for the company.

81

An insurance-focused startup that collects data from drivers using their Android phones and then uses the data to sell insurance to them. It’s an insurance company that doesn’t actually write the policies.

81

A startup looking to help auto dealers sell their used cars quickly, offering a broader selection of cars, and making the process easier for auto dealers.

81

A startup that wants to make it easier to source and sell used cars, cars that have not been bought and sold through a dealership.

80

A platform that enables users to buy and sell their unused iPhone parts.

80

This startup aims to help chatbots learn from user inputs and be used in a number of enterprise use cases.

80

A venture for helping people find and book cheap flights on both domestic and international flights. The startup is a spin-off of co-founder and CEO Zachary Mider’s previous startup, which is also focused on domestic flights.

80

A company that helps people save money on their mobile phone bills. The startup is focused on helping people in countries where mobile services are expensive, as is the case in Mexico. It currently offers a mobile plan on a monthly basis and has signed on the largest mobile company in Mexico.

80

A mobile-first bank focused on small business owners and entrepreneurs.

80

A platform for buyers of used cars, or sellers.

80

A platform that provides data about how your phone is being used. The startup aims to tackle a problem that is increasingly important as the world becomes more connected: How exactly is my phone being used

80

A company that creates high-end perfume and other luxury goods for the Chinese market. The company offers traditional Chinese medicine and traditional Chinese medicine-infused products.

80

Cordyceps is a startup that helps you book medical appointments based on availability and location. The app can be used to book appointments, but it can also help you find an appointment for a dentist or other medical professional based on availability and location.

79

A startup based on the idea that what’s often lost in the process of buying a car is the opportunity to sell it. CarBifi helps make the process of selling a car easier, and could be used by dealers to help people decide if they want to keep their car for another year.

79

This is an online platform for selling and buying used phones.

79

A platform for people to sell their used cars online. When a buyer agrees to buy your car, the app will handle the paperwork and payment.

79

A platform that helps people find the right property for a vacation or retreat. The company is focused on creating a full-service vacation rental in every coastal rental market.

78

A company that brings together a community of people with the same interests. Its main community is focused on cooking, but it also had an early-stage fitness community.

78

The startup is building a teaming platform focused on the education, construction, and manufacturing sectors.

78

A physical card that can be used to charge software as a service, like SaaS, subscriptions and free trials.

78

A sustainability project that uses IoT sensors to monitor the environment. There are over 1 billion sensors in use today, but they’re not being used to their full potential.

78

A startup for buying and selling used cars online. At the moment, the marketplace offers about 20,000 used cars, but they’re planning to launch into the US in 2019, with plans to expand to Europe and Asia in 2020.

78

A Chinese-focused ecommerce platform that was built on the idea that China's economy is less of a free market and more of a controlled economic system. The company is working on a solution to let individuals buy goods without a bank account and without a traditional credit card.

78

A student loan refinancing service that’s currently focused on the US.

78

A startup for selling or buying other people’s unused shipping boxes.

78

A “one-click” platform that helps businesses create, edit, and schedule funnels. The platform is focused on making it much easier for businesses to digitally market and promote products and services.

77

A way to monitor, measure and prevent “cybercrime”. The startup is currently being used by the United States Department of Defense to fight cybercrime.

77

A startup focused on providing real estate agents with a better way to find properties for their clients.

77

A platform that helps companies organize their email, Slack, and other messaging systems. The startup’s founders say it can save companies 5% to 30% on their monthly email costs, and that it’s used by companies like MercadoLibre, Zappos, and Expedia.

77

A female-focused podcast network that focuses on health and wellness.

77

A tool that helps people evaluate their careers in a way that has real-time feedback from their managers. It’s currently used in early rounds at Y Combinator.

77

Fingers is a web-based email app for teams that aims to look familiar to those who’ve used Microsoft Outlook, and is for teams that are already using Microsoft Office. It allows users to set up and share meetings, schedules, and tasks.

77

A startup that is a marketplace for healthcare providers to rent out their unused medical equipment

76

A startup that provides a service for renting servers, using a model similar to Airbnb Users can rent a server by the hour, day, week, or month They rent out their unused servers, which helps keep them up to date, and clients get cheap hosting

76

A startup that helps create and manage internal databases (“databases that used to be siloed”)

76

The startup’s app, which is currently in beta, allows people to buy and sell used electronics by clicking between old iPhones and iPads. People can even keep track of the item’s age and condition which allows them to make smart purchases.

76

A platform that lets users find and buy used cars, and works as a place for sellers to post used cars for sale.

76

A startup that is focused on building an internet platform for newsrooms. The startup is building a news platform that allows users to easily curate their news feeds, making it easier to find the news they care about.

76

This startup is building a tool that helps companies launch a new product easier and cheaper. It’s currently focused on B2B customers and is looking to partner with the B2B startups that come through YC to help them with their product launch process.

76

An online photo editing platform, also available on iOS and Android, which is meant to be used by people with no experience in photography to be able to add various effects to photos.

76

A tool for benchmarking how a business’s content is being used across other businesses.

75

A startup that helps people track their workouts and plan healthy meals. The startup is focused on helping people who are healthy and want to keep it that way, and the company says that because the company’s algorithms are based on historical exercise data, it’s able to identify trends that are more accurate than what a person might individually determine for themselves.

75

A pair of heavy-equipment spare parts specialists in the Midwest. These guys help companies find used equipment, they’ve made over 200 sales to date.

75

A platform that allows users to create and share a digital drawing, which can be used by other users to add to or edit.

75

A platform for businesses to manage their employee headshots, from the front-facing photos they’re used to seeing on LinkedIn to the full-on professional headshots.

75

This startup is building a platform to help people get money from friends and family. The company uses a paper check system that’s more commonly used in developing countries, and it plans to roll it out in the US, Canada, and Europe. They recently raised $1.5M in a seed round.

75

Intuition has created a connected digital device that can be used to help handicapped people with daily tasks.

74

A company whose software can help people buy and sell used cars.

74

A platform that helps companies manage their product lifecycles and is currently being used by “leading global brands,” as per the founders.

74

A community focused on creating and sharing art, music, and videos.

74

A group of employees at a company that make up a “workcommittee” that can be used to solve internal conflicts.

74

A new way to buy and sell used cars. It also allows car dealers to buy and sell on the platform.

74

A tool for automating and streamlining the many steps it takes to launch a startup. Currently focused on the US, they want to help companies “bootstrap faster, raise better and get funded more easily.”

74

This startup, which is a subsidiary of a government agency in Brazil, is focused on building technology to provide transparency into the country’s elections.

73

A platform for businesses to manage their HR — hiring, payroll, training, and more — from the cloud. The company’s pitch is that the platform can be used by all kinds of businesses, not just HR departments.

73

A search engine focused on finding the most relevant articles about a particular topic. The startup is building the search around data from more than 190 million sources across the web. It was recently featured on the HBO show Silicon Valley.

73

This startup wants to give independent artists a way to make money when their work is used in a commercial way.

73

A platform to help people find and book affordable dental work. Currently focused in the UK and US.

72

A customer support and engagement platform for businesses aimed at the Millennial generation. The startup is focused on helping companies improve customer support and engagement, but its founders say it can be used across the board.

72

A startup building an online marketplace for used trucks. The company is currently operating out of a warehouse and wants to build a larger, more permanent headquarters.

72

A tool to help event producers manage their social media posts, customer service, and other communications. It’s an ad-free, content-focused social media management tool with 15,000 paying customers.

72

A mobile app that allows users to easily send and receive money. The startup was founded in July and is focused on working with local banks in the US. It aims to get users to use the app to send money directly to their local bank accounts or other people’s bank accounts.

72

This startup wants to create a new digital currency that’s backed by a bank, and that can be used to pay for transactions in the physical world.

72

In the summer of 2016, Y Combinator opened a office in London to focus on Europe. The office is headed by Laura Simpson, who previously worked at eBay, and has joined the Y Combinator London team. Y Combinator London is focused on advising and investing in European startups and is led by Stephen O’Grady, who previously worked at Twitter, Google, and Yahoo.

72

A video-sharing site focused on sharing original content with the goal of earning revenue through ads and paid subscriptions

71

A startup that is working on an injectable drug that will help heal damaged nerve fibers. They’re working on a treatment for a degenerative disorder called Charcot-Marie-Tooth, which is caused by damage to the peripheral nerves.

71

A chatbot that can be used to verify email addresses. The startup is still looking at options on how to make money with the platform, and it’s not clear how many people are using it yet.

71

A startup building a mobile app that allows users to upload and share 3D models that can then be used for business, education, art, or other purposes.

71

A platform for helping people build and sell customized products. They’re currently focused on building a platform for small businesses to access to the manufacturing supply chain.

71

A “checking card” to help startups get paid. It’s a card that can be used for all of a company’s purchases, including things like affiliate marketing or advertising.

71

An online marketplace for buying and selling used goods. The startup has raised $1.5 million in seed funding.

71

A startup that helps you buy and sell used cars, with listings on the app and an app you can use to manage them.

70

A startup that sells customer acquisition services for B2B companies. They’re focused on funding growth for their clients by providing free, one-time services such as marketing and customer support.

70

An insurance company focused on the life-sciences industry. It’s currently starting a pilot in the San Francisco Bay Area.

70

A startup focused on helping users filter content in their feeds. The startup has built a product that uses algorithms to recommend the most relevant content for you based on a variety of criteria.

70

The company is pairing the digital technology used by banks to process payments to the physical elements of a cash machine, such as a keypad and a printer, to create an end-to-end solution.

70

A startup that makes it easy to find, buy, and sell used books online in an effort to combat e-commerce and Amazon.

70

The startup is looking to digitize the process of back-office data entry. Based in San Francisco, the startup is currently focused on the insurance industry, though it's looking to expand into the retail and hospitality markets.

70

This startup is building a way for people to buy and sell used items at a fraction of the cost of new goods.

70

The company is building a digital marketplace for people who want to buy and sell their used goods at wholesale. The company is focusing on the US but they plan to launch internationally.

70

A tool that lets people “tag” posts so that they can find them later. “Tag” then sends people links to the posts they’ve tagged. Tag is currently focused on the UK but has plans to expand to the US.

70

The online marketplace where used cars can be bought from sellers and sold to buyers. The startup is private and hasn’t released much information on its model, but it’s looking to build a local network of auto sellers and buyers who make purchases through a mobile app.

69

A startup focused on getting more people onto their “right-sized” compact cars, with a focus on the East Coast. The startup is focused on targeting Millennials who are interested in driving small cars but don’t want to spend a lot of money.

69

Young startup that’s building a self-driving, electric semi-truck. Traveling 80 miles on one charge, the truck is meant to be used for local deliveries.

69

A mobile payments startup, focused on helping the unbanked in India, that’s created by a team of MIT grads that previously worked at a mobile payments company.

69

The company, founded by two former Facebook engineers, is building a way to take existing and upcoming blockchains and enable them to be built and used easily across different platforms.

69

A company that aims to simplify the process of buying and selling used goods online in the US, and in the UK, with the aim to make it easier than eBay or Craigslist. The startup currently has 2,000 members, each paying a monthly fee.

69

A platform for buying and selling used trucks and cars, which they say is a company that helps manage the transition between new and used cars.

69

A DC-based software company that wants to help members of Congress find more efficient ways of working. The company wants to help lawmakers streamline their day-to-day by helping them track and report their progress. It’s currently focused on the DC metro area.

68

An online marketplace for e-commerce merchants to sell their products and services in bulk. The startup is currently focused on the US, but has plans to expand internationally.

68

A company that’s building a platform for scheduling livestreams, similar to Twitch but focused on short-form content. They have a library of over 10,000 videos on their platform.

68

A company that sells “smart contracts”. The idea is that Smart Contracts are more efficient and reliable than the current “Oracles” that are used to execute contracts.

68

A startup that wants to use artificial intelligence to help improve the lives of aging parents. The company's first product is a watch that listens to the wearer's heartbeat and detects a change in heart rate caused by a number of possible issues. It then sends help via text message.

68

A tool for creating quick videos, working as a companion to other video creation tools. It’s been used by over 1,000 brands, including Dunkin’ Donuts, Taylor Swift, and Anthony Bourdain.

68

An online marketplace for people who want to buy used music equipment and gear, with a focus on the UK and US markets.

68

A payments app that can be used on any platform. The startup focuses on helping people save money by holding off on that $10 Starbucks drink for now.

68

Just like Uber, which allows you to summon a car at any time, this startup wants to allow anyone to get a ride at any time. Currently focused on bringing services to the campus.

68

A company that connects buyers with sellers of used cars via a mobile app.

68

A tech company that makes digital services for the public health sector. They’re focused on getting government agencies to talk to each other.

68

A product design studio that helps brands create more appealing products. They’re currently focused on a few brands, but plan to branch out.

67

An “invisible” credit card. The startup aims to use biometrics, like facial recognition, to replace physical credit cards. It’s first product is a “perpetual” card that can be used in lieu of a regular card.

67

A company that wants to make it easier for consumers to buy and sell their used goods by connecting them with people who use it.

67

A company that’s building a platform for group communication. It’s building a way to easily voice chat and share information with groups. It’s a product for big companies that want to communicate with internal teams, but it could also be used by small startups to communicate with teams.

67

A physical marketplace for selling and renting used cars in New York City. The startup wants to build a “supermarket for second-hand cars” and focus on luxury cars.

67

A social network for the humanitarian sector, not unlike Care2 but more focused on the humanitarian side of things like conflict zones, refugees and the like.

66

A digital marketplace for car parts, where companies buy and sell used parts to each other.

66

A startup for buying and selling used office equipment, including desks, chairs, and computers.

66

A startup for men’s fashion and accessories, focused on developing “the next generation of traditional men’s brands”.

66

This is a tool for businesses that want to reduce their carbon footprint. The company is focused on helping companies reduce their energy consumption, and plans to launch a product that does this by helping them track energy usage and then offset the usage with cash.

65

A crowdsourced research platform focused on helping companies understand their customers.

65

A startup focused on helping to lower the cost of the gig economy. They provide a platform for workers to outsource tasks as much as they need, and helps clients with tasks like hiring, HR, and payroll.

65

A startup that wants to make buying gift cards more efficient by allowing gift card holders to sell unused cards online.

65

A tool used to connect small businesses with customers and suppliers, allowing the businesses to manage their finances from anywhere in the world.

64

A mobile-focused insurance company that focuses on coverages that keep people out of the hospital.

64

A fitness tracking device that’s been downloaded over 3 million times, has a 4.5 out of 5 star rating on the App Store, and was sold to Apple. It’s been used by over 60 million people and is now the best-selling fitness tracker on the market. It’s profitable and has a $300 million valuation.

63

An online service that helps people find and sell used goods and collectibles. The company is also looking at a new model where it will serve as a marketplace to help buyers find and buy goods.

63

In the US, 90% of people’s social media profiles use photos, but only 50% of those photos are actually being used for social purposes. A company that wants to solve the problem, BuildFace is a tool that uses facial recognition to curate a digital photo-portfolio, using contextual photos to augment a person’s personal brand.

63

A startup focused on making home security more affordable and accessible. The company has raised $5 million from investors including General Catalyst, T. Rowe Price, and others.

63

They are building a website for buying and selling used cars in the US that allows users to create and manage a car listing. They also have an app for users to find cars for sale (which they claim would be the first app of its kind to gain Apple approval.)

63

A messaging app that was built from the ground up to be used by people who are hearing impaired.

63

A new app that allows users to “virtually” connect with a well-known psychologist. The app was launched in April and is being used by students and their parents to help them better understand their experiences with mental illness.

63

 This is a website for buying and selling used computers. The website automatically searches for computers that are listed by sellers.

63

A company that designs, manufactures, and sells wireless sensors that can be used to detect motion, temperature, and moisture in homes and offices.

63

A tool that can be used to create “mini apps” that can be used to run tiny tasks on a business’s phone, like taking a picture with a tablet, or looking up a restaurant’s location.

63

A social network for remote workers focused on health and fitness.

62

This company is building a platform for large retailers to run a giant global inventory system that can be used by partners and independent merchants.

62

A startup that wants to improve the process of lending money to small businesses. The company is a tool used by businesses that make loans to customers.

62

Software that can be used to make the most of data from your business intelligence software.

62

A single-page application framework that aims to let developers build highly-optimized mobile apps using HTML, CSS, and JavaScript. Modernizr is used by over 100,000 developers.

62

Online discovery service focused on solving the problem of finding the right home for your next vacation. The startup uses data and algorithms to help vacationers find the right home for their next trip.

62

A set of business-focused events for women. The company wants to start with a small group of founders in the SF Bay Area.

62

A seed-stage medical tech startup focused on helping patients undergoing surgery and managing their pain through a smartphone app. The founders say they’ve been featured on 60 Minutes, and have raised a $1 million seed round

61

A platform that helps developers of internet of things devices get their software into the hands of end users. The startup is focused on the “Internet of Stuff”, or the internet of things — a technology that allows everyday items to be connected to the internet and have their state monitored.

60

A portfolio of startups focused on building products that make it easier to follow the money.

60

A hardware startup that’s building ruggedized bitcoin hardware that can be sold to businesses and consumers. The company is currently working on a $1,000 device that it says can be used for up to a year on a single battery.

60

A “co-living” startup focused on the business side of student housing and aiming to become the Airbnb of college housing

60

A startup for used cars and motorcycles where buyers can find sellers in their cities and vice versa.

60

A startup that’s building an online marketplace for used cars, with a focus on low-mileage, high-quality cars.

59

A platform for sharing and monetizing content, modeled on LinkedIn’s professional network but focused on sharing and distributing content.

59

A company focused on helping companies find and recruit people who create content like blogs, podcasts, or YouTube channels. Content creators have to manually fill out applications and get approval from the startup to be on their platform. The startup has already raised $100,000 and is looking for more investment.

59

A C2C marketplace for buying and selling used furniture. There’s a big market for people looking to buy used furniture but no good way to find them. The startup’s website shows a few beautiful tables and chairs, but the bulk of the site features the items for sale.

59

A health startup that aims to make it easier for patients to find a doctor who can treat their condition. The startup is currently focused on the UK.

58

The startup is trying to build a kind of big data database that can be used by the financial services industry to make better business and investment decisions.

58

A startup focused on helping customers gain access to discounts and deals for their phones.

58

Emoor is a startup focused on helping freelancers manage their content.

58

An eco-friendly conference for startups, focused on innovation, sustainability and technology.

58

A startup with an app that can block websites that operate in countries where the government is blocked. The startup is currently focused on the Chinese market.

58

An online marketplace for selling used furniture. The startup is currently focused on selling used furniture in the San Francisco area.

57

UnionX is a platform that can be used to organize a union or similar group for a group of employees. The startup has seen interest from unions in private companies, like Uber, and recently secured $1 million in seed funding.

57

A health insurance startup focused on improving women of color’s health care, specifically in rural areas.

57

Building a platform that allows businesses to promote their brand and retain data about their customers. Right now, it’s only used by one business, but they’re building a paid platform as a revenue opportunity.

56

A system that gathers cannabis-related data and allows users to search it in a single location. The startup is focused on helping people find strains that will help them with specific ailments, and aims to build out a robust strain database.

56

A tech company focused on helping startups and entrepreneurs increase retention of new hires through a data-driven approach.

56

A data-driven company that makes a program that helps people pay their utility bills every month. The startup is focused on helping customers keep their utility bills at a minimum.

56

A company that wants to build a service that lets you call up an Uber-like app whenever you need a ride anywhere. The service would give you options for the type of car to be used and then would let you track the car’s progress.

56

A digital payment solution for baristas that allows them to accept credit cards, debit cards, and Apple Pay payments. The startup is currently focused on the US market.

56

A SaaS platform used by companies to automate and manage their recruiting and event planning.

56

A platform that allows teams to manage their workflows collaboratively. The team is focused on making it useful for ride sharing companies and other companies that work with multiple contractors.

55

A tool for finding out how many people have downloaded your app, and how many have used it in the past week. The founders say that it’s been integrated into 75 different apps, and that they’ve seen a 20% increase in user retention and engagement once they started using it, with a 50% increase in revenue.

55

A startup building an online platform for people to sell their used electronics. The idea is to be a free marketplace where sellers can sell and buyers can buy used electronics from people all over the world.

55

This startup is building a platform for location-based mobile advertising aimed at driving in-app purchases and attracting shoppers. The startup is currently focused on shopping malls in the US, but they have plans to expand to other verticals.

55

Fostr is a marketplace where people sell their unused clothes. The company has raised $1.5 million in seed funding and says they’ve sold over 30,000 items in the last two years.

55

A startup that allows people to make money by selling their used items, such as clothes, furniture, and books, through an online platform.

54

Not just a one-click solution for saving and transferring contacts, but a true platform for managing them. It allows users to create branded groups of contacts, and then schedule calls among them. It’s ad-free, secure and can be used on both iOS and Android.

54

A system that tracks a person’s location and data for the purpose of health management. The startup wants to make it easy for people to have a better understanding of how their data is used.

54

A startup that wants to replace the traditional annual tax prep software with one that can be used to help employees and independent contractors file their taxes with ease.

53

A mobile app that helps people manage their social media profiles. The startup is currently focused on identifying influencers and helping brands manage their social media presence.

53

A startup that helps teachers track students’ progress, in a way that can be used to incentivize or sanction students. They had an initial launch at the beginning of October.

53

A real-time messaging platform for teams that works with Slack and other services. The startup is currently focused on teams with fewer than 10 people.

53

A startup that used machine learning to automatically identify the best apps for people based on their demographics, to help navigate the app store.

53

This startup wants to make it easier for people to sell their used gadgets and electronics. It wants to give users free website or app hosting and a platform for selling their devices and accessories.

53

OpenPlans is a software company that helps people find a new home to buy, using data from real estate brokers and public records. They’ve raised over $5 million to date, and are now focused on building a platform for other developers to build on.

53

A startup that uses artificial intelligence to create a set of data driven, predictive models that can be used to predict possible customer behavior.

52

A platform for the sale of used goods from motorcycles to cars, broken down into subcategories

52

An AI-powered chatbot that helps doctors diagnose and treat patients. The company says it is already being used by over 20,000 doctors in the US.

52

Taking the speed and agility of the mobile web and developing a platform that can be used on any device, including desktops. The startup, which was started in 2013, is one of the few startups creating a truly mobile web application.

52

A tool to help finance teams and executives track their spending and generate reports that can be used to improve management of funds.

52

A tool to create chatbots for businesses. The startup is building a chatbot that’s focused on helping companies build their branding. The startup is currently working with three clients.

52

A business that lets people take their unused gym equipment home.

51

A startup for tracking running mileage, showing a user’s progress in terms of distance run and time spent running. The startup is focused on the female market.

51

This startup is creating a platform for financial markets that can be accessed and used by both startups and big financial firms.

51

A startup for selling used cars, selling cars wholesale and at a lower cost than dealerships. The startup has partnered with dealerships in the US already, and is adding an auto insurance product to help offset the cost of rental cars for customers.

51

A device that can act as a second screen for your smartphone, beaming to your TV or a projector. The startup is focused on the touchscreen issue, as the screen is often the weak link in smartphone use.

50

A platform that aims to improve the quality of data in health and education, by using AI and machine learning. A result is a platform that makes data “actionable” so it can be used to simulate outcomes and make predictions.

50

A company building a wearable that the company says is the size of a bar of soap and can be worn for up to a week. The company says the wearable can continuously monitor glucose levels, and can be used as a glucose monitor.

50

A startup that makes custom-made, 3D-printed female prosthetics that can be used to treat urinary incontinence in women.

50

is a platform for selling used textbooks and keeping college students accountable for their books.

50

A digital storefront for selling and marketing your art. The company is currently focused on artists whose work is sold by galleries, but it wants to expand into more verticals.

49

A merchant-focused transaction app for restaurants and bars.

49

A startup that wants to bring affordable, secure storage to small and medium sized businesses. The company is focused on providing remote access to business owners who would otherwise have to pay high prices to store things in their own homes.

49

This app helps employers and candidates find each other in a process known as telecommuting. It uses the same technology that’s used to find talent at LinkedIn.

49

A startup that’s building a marketplace for people to buy, sell, and trade used cars, taking a commission of each transaction.

49

A digital storefront for low-income people to buy used items from other people across the country, with a focus on items that are hard to find in the country.

49

A platform where used car buyers can find, communicate, and negotiate deals with sellers.

49

A digital currency for local commerce that can be used in the UK and Europe.

49

A company that used to provide computer science education in English before shifting to the Indian market and focusing on autodidactic AI education.

49

A drone startup that aims to make drones as useful as smartphones. The company is building a drone that can be mounted on a smartphone and used for a variety of uses, from viewing property to capturing video.

48

 A startup for buying and selling home appliances. Their current focus is on selling used appliances, which they want to make a one-touch online purchase process.

48

A startup that helps hotels and restaurants get their online marketing more focused and effective.

48

A startup that lets you issue your own token that can be used to grow a business or pay for a service. It’s based on the ERC20 token standard.

47

The startup is initially focused on the US, but plans to expand into Europe in the future. It’s a “one-stop shop” for local food, covering restaurants, grocery stores, and specialty shops.

47

The company is building an app that helps companies to purchase and sell used cars. The company’s claim is that it’s the only app that allows you to purchase a used car in under 90 seconds.

47

A platform to shop for and share used cars, trucks, and SUVs by searching for and comparing available inventory via a mobile app, and then making an offer on a car with a simple swipe.

47

A company that builds flexible, adjustable shipping containers that can be used for housing, shipping, and construction.

47

A software-as-a-service that helps large companies manage and automate their entire supply chain, from procurement to inventory. It’s used by corporations like Apple, Ford, and Vodafone, as well as smaller companies like Clerys and GoDaddy.

47

A startup that helps people find cheap flights to and from the city where they’re visiting. The company says it’s already been used by tens of thousands of customers who saved $1,000 on a flight.

46

A digital directory for buying and selling used cars. The company has a deal with dealerships, allowing them to sell their vehicles on the platform.

46

The startup’s tool aims to give landlords the tools to manage their properties more efficiently. It’s meant to be used by property managers, but the startup is looking to also work with landlords and property managers.

46

A tool for helping people find their next career move, which is focused on helping employees change jobs within the same company.

46

The startup is working to create an interface for the entire world’s supply chains, creating a single, centralized map that can be used to track and manage everything from production to delivery.

45

A startup developing a platform for employees to be notified of their schedule, get a link to the correct file, and set up auto-expiring files. The startup is mainly focused on the logistics of building out their system and should have a better idea of when they’ll launch by the end of the year.

45

A mobile platform that helps users find nearby parking via mobile device. The startup is building the technology from ground up, with a new API that can be used by parking lot owners and app developers to get parking data.

45

A startup focused on virtual reality and augmented reality wants to make it easier to create and share 3D models on the web, allowing designers to upload their 3D models into its platform for sharing and collaboration.

45

A “community for digital nomads”, focused on sharing experiences and connecting with other digital nomads.

45

A software platform aimed at building and managing community-focused online courses.

45

Another startup focused on helping people manage their money and expenses. It aims to be a more personal approach to budgeting and money management.

45

A “tame” version of the Snapchat app, focused on bringing its features to one’s phone.

45

A platform that helps businesses track the true costs of their data, and then helps them make better decisions about where to allocate their resources. This startup is building an enterprise-focused tool that helps businesses track their data and calculate their true costs.

44

A startup that enables customers to pre-order any kind of product and get it shipped to their house in just 3 days. It’s currently been used to pre-order 500 products.

44

CREDITS is a new way to manage all of your credentials, focused on the crypto-economy.

44

A platform for insurers, doctors, hospitals, and patients to communicate data about a patient without having to go through a third party. The data is used to improve care and reduce costs, and it’s currently being used in the UK.

44

This startup is building a software suite that integrates field data with information and insights that can be used to make better business decisions.

44

a global digital health company. The company’s platform is designed to convert health data into insights that can be used to improve health outcomes.

44

An online marketplace for trading used books, based on users volunteering their books as collateral. The company is based in the UK but has been growing in the US.

43

A UK-based startup that offers a social network for “sculptors and studios”. The company is focused on helping artists “have more control over their work”.

43

 A startup that collects data from social media networks and aggregates them into daily reports that can be used to measure the human conversation that happens on the internet.

43

A platform for building out a SaaS-enabled multi-channel marketing campaign. The startup is now focused on developing its own SaaS product.

43

A startup focused on, of all things, helping travelers navigate the world. The company wants to help you book hotels, flights, rental cars, and other travel arrangements using an app, a website, and a mobile messaging platform. (1)

43

A startup that used to be about doing silly things and now is about investing.

43

A social network for people who want to buy and sell real estate. It’s currently focused on the San Francisco Bay Area, and is intended to compete with Zillow and Trulia.

43

This startup wants to help facilitate the digitization of art in a way that is more focused on intangible aspects like inspiration and emotion, rather than just the technicalities of how the work was created.

42

The company’s software helps companies with customer service, and is used by companies like Microsoft and Salesforce

42

A company that offers a platform that allows people to trade their old smartphone for a new one. The idea is that people can trade their used phones for credits that can be used to purchase a new one.

42

A platform that facilitates local sales of used clothing. It allows users to post their items, and then lets a user who is looking to purchase an item find an appropriate buyer.

42

A way to buy and sell everything from a car to a house. They’re focused on the mom-and-pop home remodeling market in the US

42

A company that’s building tools that send and receive money from people’s bank accounts. Using the software, people can send money to each other and keep an account for receiving payments. The app can be used by anyone in the country, and is available to customers through a bank account in the US.

42

A startup for people who want to donate their old home appliances, furniture, and other items for reuse. The startup says that in the US alone, more than 10 million items go unused in storage every year.

41

A card that can be used at any gas station in the US

41

A SMB-focused marketplace for small business loans, which has already closed $20M in loans and has more than 10,000 users.

41

An online marketplace for buying and selling used cars, with sellers spread out across the US. A small number of sellers offer used cars, but most of the items are from rentals. The company has raised $40M in a Series E.

41

A social network for college students with over 20k students currently enrolled. Its founders are looking to build a student-focused influencer platform that’s optimized for mobile, with a focus on gaming and video content.

41

A mobile app that helps workers better organize their tasks on the go. The company’s co-founder believe that most of the information workers have on their phones isn’t being used.

40

Building an ecosystem of companies that help people make money on their unused belongings.

40

Focused on helping the elderly pay bills, Vayvadex allows users to pay for services, like a nursing home, with a swipe of their debit card. Users can also use the app to find a doctor or a home aide.

40

A tool for selling digital products with a drag-and-drop interface, focused on ebooks and video games.

39

The idea is to create a platform that allows companies to manage large expense accounts and seamlessly track whether they are being used for legitimate business purposes.

39

This startup is creating a way for people to make money by sharing their unused software licenses with others.

39

An ad-tech startup focused on helping brands to better understand their ad campaigns.

39

A tool for helping employees review and edit their resumes and cover letters. The B2B startup is currently working with Y Combinator, and is focused on helping hiring managers.

38

A live-streaming tool meant to be used for video interviews. The company is also building a subscription-based premium service that will allow users to conduct live-streamed interviews.

38

A startup focused on the health care industry that’s building a system to make it easier for patients to get the medical care they need.

38

 A credit card linked to your bank account, like a debit card with your bank’s approval. The card can be used everywhere the bank accepts credit cards. The startup has raised $1.5 million in seed funding from a single investor, Andreessen Horowitz.

38

A BoxCar is an online marketplace for buying and selling used equipment and supplies, including furniture, construction equipment, industrial machinery, and vehicles.

38

A startup focused on helping farmers manage their farm operations and track their crops and equipment.

38

A startup to help companies manage the data they collect in their stores, for example, that can be used to help them find new products or make marketing plans.

38

A company that aims to build a simple digital video recorder that can be used to stream video from any compatible device, with a cloud-based backend that allows owners to edit, share, and even sell videos.

38

An online community for people who want to buy and sell used books and other collectibles.

38

A tool for checking the quality of content on Instagram. The startup is often used to check the quality of organic tagging on the platform.

38

A digital marketing agency for mobile app developers, focused on helping them to grow their businesses. The startup is a spin-off from a digital marketing agency, and has raised $1.1M in seed funding so far.

37

A startup that helps B2B companies automate their expenses. The company’s software is built to be used by the finance department to track expenses, and to automatically reconcile them with the appropriate accounting system.

37

A startup creating a new patent system for the fashion industry, similar to how patents work on music. It wants to prevent knock-offs, but also be used by brands for protection of their business models.

37

A startup that wants to make it easier for people to buy and sell their old phones, and also provide a marketplace for tons of other used phones.

37

An online marketplace for used items, which they claim has a $10-million monthly revenue stream via their website.

37

A decentralized, privacy-focused, social platform for the sharing and discussion of taboo things, like porn and sexuality.

37

A chatbot for cleaning services that can be used by small employers, bringing a bit of automation to a very manual process.

36

A platform that helps you track down the best C-suite candidates among your employees. It’s a recruiting platform that uses a combination of algorithms and social media for finding top candidates for specific roles. It’s currently being used by YC and other startups including FundingPost and Foodspotting.

36

An online marketplace for buying and selling used items and goods. The company is using a technology called RFID (Radio Frequency Identification) to allow consumers to scan an item and find out what they’re worth on the platform, which they say is a cheaper way to buy used goods, and helps sellers by cutting out the middleman.

36

 This is a company that brings the star rating feature used by restaurant critics to hotel reviews.

36

A travel booking app for the US market that’s focused on building long-term relationships, rather than creating new reservations every time. It features a single price which is then split between their members.

36

An employee scheduling app that’s easy to use, works cross-platform, and can be used in teams

36

A tool that makes it easy for businesses to manage customer on-boarding and user experience. The product has been used by more than 300 companies, including Mozilla, Airbnb, and Groupon.

36

A platform for curating and distributing mobile games. The startup is focused on games that are designed for touchscreens, though they reference other platforms, such as Facebook’s Messenger and Apple’s iMessage.

35

A platform that helps people buy and sell single family homes. Currently focused on the UK. The company is using a combination of software and crowdsourced data to help buyers make smarter decisions.

35

A simple way to put email and messaging in one inbox, and a way to make calls from one platform. Each app is meant to be used alongside the other, and can be combined with other services like Slack and Google Voice.

35

A live-streaming platform, focused on video games.

35

Building a company focused on making modeling, simulation and optimization more accessible to researchers, engineers and scientists.

34

A list-management app for restaurants. The company is focused on bringing a reasonable price to the market for customers who want to see a list of all the restaurants in their area, and offering a platform to send out reminders to the wait staff.

34

A startup that helps companies build their own proprietary products to be used with their existing website.

34

A platform that runs on top of Amazon S3 and helps users set up their own private storage for data. The startup is focused on data privacy and security.

34

Tribute functions as a shared custody platform for various family members, allowing them to track spending and keep track of things like medical records. The startup is currently only focused on family members, but is looking to expand to other kinds of multi-family sharing.

34

A startup that wants to build a decentralized banking system. The founders say that banks are creating systems that are too expensive and too clunky to be used, and that the market is underserved — especially by credit cards, which are used by everyone in the world, but for which there’s no good way to transfer money across borders.

34

A white-labeled tool for restaurants to manage their online ordering. The startup wants to help restaurants build an online ordering feature that integrates with their existing website. The product is built for restaurants, but the company imagines that it will be able to be used by other companies as well.

33

A San Francisco-based startup that operates a marketplace for people to rent their unused devices like computers, cameras, and drones.

33

A startup focused on user-friendly music discovery. The startup wants to create a desktop experience around music discovery that will allow users to browse and listen to songs, and also see what others are listening to.

33

A computer science student who wanted to help his parents, so he built a website for them to search for and buy used cars, and a mobile app to help them make appointments.

33

A startup that has built an automated rail system focused on the trucking industry. The rail system is connected to the trucking fleet, allowing drivers to scale back to a more leisurely pace and still maintain a safe route.

33

A platform for individuals to sell their unused equipment.

33

An online marketplace for buying and selling used cars and getting dealer-level prices and prices from auto manufacturers. The startup is in the pilot stage.

33

The company is focused on building a simple tool that helps users manage their personal finances, and has pivoted from an expense and bill tracker to a retirement planning tool.

32

A flash drive that can be taken to a kiosk and used to pay for goods.

32

Aaa is a network of Aaa-branded stores which use the platform to sell used textbooks, backpacks, luggage, etc.

32

A B2B company that provides a platform that allows the sharing of inventory data between companies, which can then be used to more efficiently target consumer and brand marketing.

31

A software platform for healthcare companies to manage their prescription costs. Has been used to automate over 40% of the cost of a typical Medicare Part D plan.

31

A software company focused on creating web-based tools for managing the logistics of turning raw materials into finished products.

31

A standalone browser that integrates with the Slack team chat app. It allows users to create polls, polls that can be used in other Slack channels, and even polls that can be customized to display a specific emoji when they’re answered.

30

A medical device company in the Netherlands that wants to bring a reusable medical device to market, which can be used for hysterectomies, colonoscopies, and other procedures. The device works with a camera and a monitor and wirelessly connects to an operating room.

30

A startup that helps health care organizations make more effective referrals to specialists. It’s currently being used by a network of 20 hospitals in Boston, with plans to expand to the rest of the US within the next six months.

30

LogMeIn is an online business continuity and disaster recovery tool used by businesses and organizations of all sizes. Users can access their computers and data in times of trouble, and moreover, take advantage of its free iPhone/Android apps for remote access and file sharing.

30

A digital platform that helps companies recruit and hire employees in remote areas, powered by artificial intelligence. The company has brought on nearly 1,000 employees in remote areas, and is now focused on the US.

30

A startup that is building out a faster, cheaper, and more secure IoT platform that will be used by startups and large businesses alike.

30

A product that helps people visualize how their social media presence is being used by brands. It’s built for small businesses, and is pitched as a way to help them manage their online reputation.

30

A peer-to-peer marketplace and online marketplace for exclusively selling used goods. The company wants to bring a new way to buy and sell things, but it’s not quite a marketplace. Instead, it’s a service that connects buyers with sellers, and a platform where sellers can share their goods.

29

An enterprise-focused Slack alternative, with focus on teams that need to collaborate. The company has also been expanding into other areas like marketing, design, engineering, and other business functions.

29

A startup focused on the healthcare industry that partners with pharmaceutical companies to build data products to make drug development more efficient.

28

A platform for businesses to help their employees track hours and pay for independent contractors. The startup has already been used by companies like Hewlett Packard, CVS, and DMCI.

28

A food delivery platform for small businesses that is focused on reducing the financial burden of running a brick and mortar restaurant. It aims to lower the cost of running a restaurant by providing the owner with the tools to order their own food and have it delivered. The company has raised $10 million in funding.

28

This startup is building a tool for HR managers to manage their team’s performance reviews. The service has already been used by over 5,000 companies, and it’s available for free to large companies.

27

A tool that helps companies sell more pre-owned items. It allows businesses to manage their used items and keep a digital record of them, inventorying them, then selling them.

27

This startup allows people to create green screen videos using their own photos. The technology is used primarily by professional filmmakers, and the company also hopes to tackle the commercial market.

27

A company focused on building a “universal” drone that can be built for any kind of use, from anything from agriculture to photography to filmmaking.

27

 The startup wants to be a marketplace for people to sell their used stuff. Its focus is on new-to-market products, but founders say they’d be open to selling used products as well.

27

A startup that wants to build a marketplace where people can trade used computers. It’s already started in Brazil but wants to expand into other countries.

27

A “community for adult video talent”, focused on “expert, exclusive and sexy content”.

27

A company that provides on-demand delivery of grocery items to homes in the US. The startup, which was founded in July, is focused on expanding its brand to other cities.

27

Blackbox is trying to tackle the problem of consumer credit scores, which are used to help determine creditworthiness, but are not very accurate. The startup is building a credit scoring tool that uses data from places like Facebook, Instagram, and Twitter to determine creditworthiness.

26

A startup that’s built a tool for companies to learn about their customers in order to optimize their experience. It’s currently being used by a particular customer, and the company says it has data from around 50 other clients.

26

We’ve covered many e-commerce startups in the past year, but this one is different. An e-commerce startup that is focused on helping people find the right products for their needs.

26

 A social media platform focused on art. The startup wants to create a community around artistic endeavors and sales. The company’s current campaign has a goal of $100,000, but is still running with a month left.

25

A tool with a simple design that helps organizations and software developers build and manage their websites. It’s focused on small-to-medium businesses.

25

A digital health platform that helps patients track their blood pressure, heart rate, and other measurements. The idea is that it’s less expensive, and easier to use than the existing devices, which are used by a small percentage of the market.

25

A start-up focused on making it easier for individuals to invest in real estate. It wants to take away the complexity of investing in real estate and building an investment portfolio.

24

A startup that helps small businesses increase their productivity by allowing them to schedule time off in advance. The startup is currently focused on the US.

24

 A platform to help people find used cars in the UK.

24

This startup is looking to help doctors manage patient files by moving them into a single platform. It’s a software-as-a-service platform that’s already used by doctors in the U.S. and the UK.

24

A tool for developers to find out how their products are used, with the goal of helping them fix bugs.

24

A startup where sellers can search and advertise used vehicles in real time.

24

A millennial-focused startup that wants to create a locally-sourced and craft beer-friendly alternative to “traditional” craft beers. LocalBev will work directly with a brewer to create a unique beer style, with each batch brewed on an on-site system.

23

A startup that helps you be a better listener. A podcast-focused app that allows users to listen to a podcast or podcast episode on their phone, and then scroll over text to see what was said, or share the audio with someone else.

23

A startup focused on helping non-profits make better use of their data. It’s early days, but that’s one of the key areas where non-profits are struggling to get value from their data.

23

A search engine for the cannabis industry, focused on companies and events

23

An ecommerce-focused startup selling T-shirts and other clothing. The app is powered by a backend API that makes it possible for retailers to integrate their offline commerce into their online platforms.

22

A startup focused on helping startups scale quickly by providing a forum for other startups to work with.

22

A 3D printable gun that allows you to modify the shape of your weapon. The idea behind the technology is that it can be used to make semi-automatic weapons capable of being fired more quickly.

22

A credit card processing tool for people in developing countries. The credit card can be used to buy goods online from retailers all over the world.

21

A startup focused on the “means of learning”.

21

One of the largest investment firms in the US, Union Square Ventures, has been investing in a number of consumer tech startups. They’re focused on building services that make it easier to sell and manage products through the internet, and they’re actively looking for seed stage opportunities.

21

A startup that helps you find a doctor in your area in seconds. It’s similar to Yelp, but it’s more focused on finding primary care physicians.

21

a startup that allows people to sell each other their unused gift cards, with the proceeds distributed to charity

20

A blockchain infrastructure company focused on smart contracts and token engineering.

20

An online marketplace for rentals of limited-use items like lasers, which are used for short periods of time and limited locations.

20

Last year, I wrote about how some of the most successful Y Combinator companies are focused on solving the problems of the modern worker, like home care, transportation, and education. The most successful YC companies are built on the idea that technology should be helping workers, not fighting them.

19

A security-focused video service that doesn’t require a subscription.

19

A startup for buying and selling used cars, part of a larger company that also offers car-sharing services. Their customers can use the company’s vehicle for their work, then turn it back in when they’re done.

18

A startup that uses AI to help streams of data such as customer feedback, sales, and more, be used to help a company make better decisions and get a better sense of the future.

18

A device that can help “people get in shape”. The device is currently being used by a number of fitness studios and gyms that cater to women. The company has raised $2.5 million.

18

“A cross between LinkedIn and Twitter”, used by businesses to post job listings and engage with employees.

18

Another product for running virtual meetings, this time focused on the enterprise. The startup helps companies organize large-scale conference calls even though they could be anywhere in the world.

17

A startup that helps companies and organizations manage their resumés and job applications, providing a service that’s currently being used by companies like UPS, IBM, and Capital One.

16

A startup for buying, selling and trading used cars. The startup has already attracted over 15,000 sellers and has processed over $600,000 worth of transactions.

16

An adtech startup that targets ads to users based on what they’re doing on the web. They’re currently focused on mobile apps and are looking to expand to other platforms.

16

A smartphone that’s meant to be an all-in-one computer, with an operating system that’s focused on productivity and responsive design.

16

A startup to help people sell their used clothing and get a fair price. The company has a partnership with a charity that helps needy people in India.

16

 A digital currency for artists and creators, focused on content and media related transactions. HODL is focused on the US and UK markets.

16

“Eco-friendly” shipping containers that can be used to build shipping crates or other shipping products.

16

In this world, your phone knows what song you’re listening to, when you’re at work, when you’re in bed, when you’re in a restaurant, and when you’re in a grocery store. The startup wants to turn that into a single app that can be used to control your music.

16

A startup that aims to make it easier to buy and sell used cars. They’re focused on selling as-is, but they’re also building an app that will allow people to post their cars for sale, allowing customers to check out the car, make an offer, and pay for it with their mobile.

15

A “digital hospital” focused on improving patient interactions in their healthcare

15

A social initiative focused on helping refugees in Lebanon find jobs and jobs find refugees.

15

This startup is building a mobile app that helps patients manage their health insurance. The startup is currently focused on the UK market.

15

A tool for marketers to collect customer feedback across multiple channels (web, email, phone, social media, etc.) and turn it into actionable data. The tool is meant to be used by marketers to help them improve their marketing strategies.

15

A SaaS platform that helps companies create, manage, and get feedback on their campaigns. It’s currently being used for over 100 campaigns, raised over $30 million in funding, and the founders have spent over a year building it.

15

A company focused on building a mobile chat app for users to find and book hair- and beauty services.

15

A startup where people can create and share their own videos to be used as a free marketing tool. The startup is working on a video series called Inside the Box, which follows a different startup every month as they grow.

15

The startup’s goal is to build a $500 device that can be used to produce electricity from small amounts of water, such as rainwater.

15

A startup that allows users to pay bills and data plans by sending SMS messages. The founder used to work at Groupon and is raising $1.4 million in seed funding.

15

A company that helps companies change the way they do marketing, replacing traditional ads with more focused content.

15

An advertising-focused startup that helps brands better target potential customers. It has raised $2.5 million in funding.

14

An online marketplace that connects and sells used and new phones, primarily in Asia.

14

An AI that helps people review restaurants. The AI can be used for speed dating, by restaurants to review their guests’ faces, and for booking books at restaurants.

14

A startup with a $25,000 prize fund focused on the development of an app that could help you optimize your sleep.

14

A company that makes a product called “Flex”, a flexible structural material that can be used to build buildings instead of using steel beams.

14

A company focused on helping clients with growing their presence in Asia. Its app helps people navigate Asia’s credit card market, which is significantly different from the US market.

14

A health-focused startup that aims to help consumers get their money back when they get cheated by credit cards.

13

A product-focused company that helps companies in the developing world get products manufactured locally.

13

A digital health company focused on providing software and services for large health care system’s to help with interoperability.

13

A quality verification platform that tracks and verifies the quality of products. The company is focused on the $1.5 Trillion medical device market.

13

A set of connected apps that create a digital diary of a person’s life. The app stores a person’s life in a personal database, and can be used to create a digital version of a person’s life.

13

An AI that helps companies discover and understand meaning in text and voice. The product is used by companies like Duolingo, and the startup says it’s profitable and growing.

13

This startup wants to make it easier for people to create their own videos, with the goal of helping them share their stories with the world. The platform can be integrated into other services or used standalone, and has a number of corporate customers including the likes of Airbnb.

13

A community marketplace for buying and selling second-hand goods. It is very similar in kind to the popular site OfferUp, but with a community-focused twist

13

A company that helps businesses buy back unused inventory from itself, then resell those that are still in good condition.

12

The idea is that a user builds a profile of pre-made designs for their logo that they can then sell or share with other users who can purchase them. The startup is focused on the design industry, and allows you to buy and sell your own designs.

12

Ever the entrepreneur, Aaron Hinkley (of 25% Happier fame) co-founded a new startup, Arana, with his wife. It’s an online platform focused on promoting and discussing the benefits of meditation in a way that’s accessible to everyone.

12

A small company focused on building automation technology for HVAC, lighting, and other building systems.

12

A startup that wants to create a marketplace for the private sale of used cars. It's a Craigslist-like service, except the cars are owned by the users, not the site, and are sold between users.

11

A startup that’s building a platform to allow users to create their own custom-engineered blocks on a 3D printer. Those blocks can be used to construct robot arms, medical devices, and other tools.

11

The app allows people to pay off their student loans with a 25% monthly discount, which they say can be used for a wide range of things.

11

A recruiting-focused startup that connects job seekers to employers and job postings.

11

A group of students at Carnegie Mellon University are building a wearable that tracks the human heart rate, breathing, and activity. The technology is meant to be used for home wellness, but also to help with medical research.

11

A tool for companies to build product roadmaps. It’s currently being used by companies in the US.

11

A startup that helps people find and book restaurants and make reservations. It’s already used for over 1,000 reservations.

11

A phone-based savings app, where users can create mini-savings accounts to be used for purchases in the future.

10

The startup launched in March, and has since focused on getting its holistic health and wellness app into the hands of people in the U.S.. The startup is currently working with more than 100 health providers across the country.

10

A tech startup focused on improving the industry of tech and tech journalism and tech media. The organization aims to “promote tech as a force for good, and tech innovation as a key factor in improving people’s lives.”

10

The company that makes the "company gym", which can be used by companies for employee training, goal tracking, and more.

10

A cloud-based tool to prevent nursing home abuse by monitoring patient activity and alerting nursing homes if a resident is being abused.

10

Similar to DoorDash, but focused on delivering food to college campuses.

10

A CRM focused on helping companies find and hire the right people. Jigsaw, which was founded in 2017, has been featured in TechCrunch, Forbes, and Business Insider.

10

This startup is building a new generation of web browsers, called “containers”, that work like operating systems. Containers are like virtual machines (VM) in that they run programs inside them, but they’re a lot more flexible. You can build a container that can run a Ruby or a Python, for example, and you can run a container that runs a ton of different kinds of programs. Containers can also be used to run a group of VMs, and VMs can run each other, too. The tech is still in its early days, but it’s a promising tech that’s been used to run the Linux operating system.

10

A new kind of online marketplace for buying and selling used cars. Instead of going to a dealer, it's a platform where people can bid on cars and sellers can list them on the site.

10

A company focused on building applications to help hospital staff make better and more informed decisions.

9

A software company that aims to help people sell their used goods by taking their old goods to auction sites.

9

The Specialized Technology Fund (STF) is a $25 million venture fund hosted by the University of California, Berkeley, where it was founded in 2011. The fund is meant to facilitate the creation of new technologies that can improve the lives of people in developing countries. It is the first university-backed venture fund focused on developing technologies for developing countries. The fund is run by the university's Haas School of Business.

9

A self-driving, electric vehicle startup. The startup is building an autonomous electric vehicle that can be used in public transit. The cars are currently in beta.

9

A company that helps connect buyers with sellers of used goods. They’re also working on a social network for used goods.

9

A management platform for managing the data of people on your team, making it easily accessible to all team members. It’s currently used by organizations like the Department of Defense, the Leukemia Lymphoma Society, and the National Park Service.

9

A startup that helps restaurants offer online delivery services. The startup is focused on getting delivery to happen at the right time, with the right food, at the right place.

8

A startup that allows companies to build and deploy web and mobile apps without writing code. They say their platform can also be used for other software development jobs, like managing servers and monitoring apps.

8

Built for the entertainment industry, the startup wants to create a universal currency for the industry. The currency is meant to be used in software and streamlining payments.

8

A startup that uses AI to tailor your work environment by taking the psychology of your job and the company you work for into account. TRACE, which launched in early 2019, has found that when you work in a “high-energy” job, your brain feels more alert and focused, but that when you’re in a “low-energy” job, your brain feels more relaxed and unfocused.

8

A startup where people can list, sell, and buy used vehicles online. In the United States roughly half of vehicles are cars that have been owned for less than a year.

8

This startup creates a point-of-sale platform for small restaurants, allowing them to manage all of their sales, inventory, and finances via a cloud-based SaaS platform. The company is currently focused on the US market.

8

A company that claims to have the world’s smallest solar power system. It’s for homes, but can be used anywhere.

8

An online platform for renting out unused rooms in houses and apartments, and letting guests stay in them for a night.

8

A tool for audio signal processing that can help vocalists learn new notes faster, with a similar approach to techniques used in speech therapy.

8

A digital storefront for physical objects, similar to Etsy but focused on travel and experiences.

7

The company believes in a privacy-preserving model for storing and sharing user data to add value to their users, and is building a platform to let users control how their data is used.

7

A tool for salespeople to generate new leads. The company’s co-founder used to go on sales calls where he’d be asked to generate leads, but then sit on his hands for days while he waited for new leads to appear. So he built a tool that automated this process, which has already generated 500 leads.

7

A video-editing startup focused on helping video creators and producers with their video tasks, including all the tools they need to record, edit, and share.

7

The startup aims to help brokers and sellers of used vehicles and vehicles for sale deal directly with each other.

7

A new service that lets people offer their unused airline miles to friends and family. Recipients can redeem the miles for airline tickets, and the sender gets a payout.

7

A software for helping businesses monitor and control their energy use. The startup uses IoT technology to reduce energy use in businesses and ensure that every watt is used effectively.

7

A real estate startup focused on providing services to families moving to new neighborhoods.

6

The startup is focused on the online dating industry, which is, according to CEO Ryan Feit, “one of the most archaic industries in tech.”

6

A platform that helps companies build and manage travel and expense management apps. One of the founders, who worked at Expedia, was frustrated by all the apps and services they used. So they built a better expense reporting system

6

A startup that wants to help people get a driver’s license from their phone, which can be used as a form of identification.

6

Idea: A home security system that leverages a camera that’s focused on the door to see when someone is coming in.

5

The founders of this startup have been working on a mobile-first platform since 2010. Now they’re building a mobile-only social network focused on young urban professionals.

5

A company that allows people to find and rent out their unused furniture and appliances. The startup wants to upend the industry by offering a way to sell the stuff you own while making money on the stuff you don't.

5

The startup wants to build a device that can be used as a wrist computer that can control other devices wirelessly.

5

A tool to help guide and monitor a company’s sustainability efforts. It hooks into a company’s internal systems to track the amount of water and energy used.

5

Idea: This is a startup that makes a “smart” doorbell. It has a camera, a microphone, and a speaker. Users can talk to delivery and service providers through the doorbell, and the device can be used to monitor and intervene in domestic abuse cases.

4

A new type of credit card that can be used to pay for goods on any mobile app. The card will also act as a loyalty card.

3

a startup focused on using AI to detect fraudulent activity on a credit card.

2

A startup for restaurants that aims to bring a more local, community-focused approach to the restaurant business. The startup is looking to help restaurants manage their operations through a system of bots and a more community-oriented approach.

1

Idea: A home security company for Latin American households, primarily in Mexico. The startup is focused on providing internet-connected cameras that allow users to see and talk to visitors while they’re away from home.

0

Idea: A new consumer-focused mobile payments app to replace credit cards The company aims to reduce friction by letting users buy things with their phone instead of having to pull out their wallet They want to replace everyone’s credit card information The startup has processed over $1MM in payments

-1

Idea: Online marketplace that allows people to rent out their unused stuff

-1

Idea: A startup for new, used and refurbished tech

-1

Idea: Amazon for New and Used Office Furniture

-1

Idea: To provide a central platform for people to sell and trade used goods, and for brands to directly connect with consumers

-1

Idea: A startup for buying and selling used machines from factories

-1

Idea: This startup wants to build a “non-technical” interface for setting up web servers It’s building a platform that allows anyone to create a web-based service, and it’s been used to launch a website about the alt-right, among other things

-1

Idea: An alternative to Adobe, focused on web performance

-1

Idea: A startup that enables people to track and record their eating habits It is currently used by thousands of people around the world

-1

Idea: A software company that helps businesses run online meetings In Brazil, it’s primarily used by churches

-1

Idea: This travel startup helps travelers book group trips, like tours and cruises The startup is focused on building a marketplace that helps small businesses find customers

-1

Idea: A solution for helping people buy and sell used items on Craigslist easier, converting the site into a full-on marketplace

-1

Idea: An online marketplace to trade used and broken smartphones The startup is currently focused on the UK but is looking to expand to other countries

-1

Idea: A B2B company that’s building an “automated B2B sales chatbot”. The startup, which is focused on B2B SaaS companies, wants to help those companies schedule meetings with prospects and track conversations.

-1

Idea: A startup based in Brazil that is building an online auction house for used cars.

-1

Idea: This startup is building a low-code application development platform. It’s currently used by companies like AppDirect, eero, and Stripe.

-1

Idea: A startuplication that helps people learn how to code apps. The startup is focused on teaching people how to make apps for iOS and Android.

-1

Idea: A startup that makes a camera that’s meant to be used for augmented reality, where it’s meant to allow you to take pictures of things that will show up in AR.

-1

Idea: A company that makes it easy for companies to pay their employees with a card that can be used to withdraw cash, make purchases online, or used for ATM withdrawals.

-1

Idea: A startup that helps people ship their used items to buyers. The founder says that she’s already sold $3,000 worth of items in her first two months.

-1

Idea: A business that helps shoppers buy and sell used furniture from each other.

-1

Idea: A tool for creating animated characters that can be used for chatbots and other kinds of interfaces, ranging from mobile apps to web apps.

-1

A company that makes a small device that connects to a circuit board. The device is meant to be used by people who don’t know how to solder, to fix their electronics.

-1

Idea: A startup that helps companies build software that can be used across different apps and platforms. The team says they’re working with a few large companies in the UK and have $15,000 in monthly recurring revenue.

-1

Idea: A startup focused on helping US government employees make more qualified decisions about their health.

-1

Idea: In the US, a startup that brings data from a person’s Fitbit or other fitness tracker into their doctor’s office. The system, called Bionode, is already used at Cedars-Sinai Hospital. They’re looking to branch out to other health providers as well.

-1

Idea: An e-commerce startup that’s building a marketplace for used products, the team of which will be composed of previously incarcerated people.

-1

Idea: A startup that helps retail businesses create personalized images and videos for their products. The company’s CEO says that the startup’s technology has already been used to create over 3,000 videos, and the startup has generated $50,000 in revenue so far.

-1

Idea: Focused on the US, this startup is building a platform to help YCs hire contractors for small jobs like painting, sewing, carpentry, or installation.

-1

Idea: A tool for helping companies and employees build their own internal chatrooms. The founder says that the product has been used by YC for the past few years, and is now being offered to other companies as well.

-1

Idea: A way to automatically manage your finances that doesn’t require users to enter or re-enter any information. The startup is primarily focused on helping users pay off their debt.

-1

This company is building a platform for sharing and selling used furniture. The startup has a website where people can view and purchase furniture.

-1

Wekan is a calendar with a twist: it’s a shared calendar that can be used by teams or groups.

-1