The following notable

startups A startup or start-up is a company or project undertaken by an Entrepreneurship, entrepreneur to seek, develop, and validate a scalable business model. While entrepreneurship includes all new businesses including self-employment and businesses tha ...

have completed the

Y Combinator Y Combinator, LLC (YC) is an American technology startup accelerator and venture capital firm launched in March 2005 which has been used to launch more than 5,000 companies. The accelerator program started in Boston and Mountain View, Californi ...

Accelerator program. Mike Isaac described Y Combinator as: "Y Combinator accepts batches of start-ups twice a year in a semester-like system and gives them money, advice and access to a vast network of start-up founders and technologists who can advise them."

2005−2010

* 1000Memories * 280 North *

Airbnb Airbnb, Inc. ( , an abbreviation of its original name, "Air Bed and Breakfast") is an American company operating an online marketplace for short-and-long-term homestays, experiences and services in various countries and regions. It acts as a ...

* AppJet * Biographicon *

Bump Bump or bumps may refer to: Arts and entertainment * Bump (dance), a dance from the 1970s disco era * ''BUMP'' (comics), 2007-08 limited edition comic book series Fictional characters * Bobby Bumps, titular character of a series of American si ...

Clustrix Clustrix, Inc. is a San Francisco-based private company founded in 2006 that developed a database management system marketed as NewSQL. History Clustrix was founded in November 2006, and is sometimes called ''Sprout-Clustrix'' as it formed with ...

* Disqus *

Dropbox Dropbox is a file hosting service operated by the American company Dropbox, Inc., headquartered in San Francisco, California, that offers cloud storage, file synchronization, personal cloud, and Client (computing), client software. Dropbox w ...

* Ginkgo Bioworks *

Heroku Heroku is a cloud platform as a service (PaaS) supporting several programming languages. As one of the first cloud platforms, Heroku has been in development since June 2007, when it supported only the Ruby programming language, but now also suppo ...

* Homejoy *

Justin.tv Justin.tv was a website created by Justin Kan, Emmett Shear, Michael Seibel, and Kyle Vogt in 2007 to allow anyone to broadcast video online. Justin.tv user accounts were called "channels", like those on YouTube, and users were encouraged t ...

* Listia *

Loopt Loopt, Inc. was an American company based in Mountain View, California, which provided a service for smartphone users to share their location selectively with other people. The service supported all the major mobile operating systems. Loopt's ser ...

* Mixpanel * NewsBlur * Ninite *

Octopart Octopart.com is a search engine for electronic and industrial parts headquartered in La Jolla, CA. It aggregates parts from distributors and manufacturers online, making them easy to search for and purchase. History Octopart was created by thr ...

OMGPop OMGPop, stylized as OMGPOP and formerly known as i'minlikewithyou or iilwy, was an independent flash game studio. In 2013, it was purchased by Zynga Inc. History OMGPop was based in SoHo, in New York City. The company received seed funding from ...

Optimizely Optimizely is an American company that provides digital experience platform software as a service. Optimizely provides A/B testing and multivariate testing tools, website personalization, and feature toggle capabilities, as well as web content ...

OwnLocal OwnLocal is an Austin, Texas-based digital advertising startup founded in 2010. History Lloyd Armbrust and Jason Novek founded Seeing Interactive in 2010. Backed by seed accelerator Y-Combinator, the company launched as a service for local ne ...

PagerDuty PagerDuty, Inc. is an American cloud computing company specializing in a SaaS incident management platform for IT operations departments. PagerDuty is headquartered in San Francisco with offices in Toronto, Atlanta, London, Lisbon, Tokyo, and Sy ...

Parakey Parakey is a web-based computer user interface proposed by Firefox contributors Blake Ross and Joe Hewitt. Ross describes it as "a Web operating system that can do everything an OS can do." The idea behind it is to make image, video, and writi ...

Poll Everywhere Poll Everywhere is a privately held company headquartered in San Francisco, California. The company, founded in April 2007 is an online service for classroom response and audience response systems. Poll Everywhere's product allows audiences a ...

Posterous Posterous was a simple blogging platform started in May 2008. It supported integrated and automatic posting to other social media tools such as Flickr, Twitter, and Facebook, a built-in Google Analytics package, and custom themes. It was based in ...

Recurse Center The Recurse Center (formerly known as Hacker School; also called RC) is an independent educational institution, that combines a retreat for computer programmers with a recruiting agency. The retreat is an intentional community, a self-directed aca ...

(Hacker School) *

Reddit Reddit ( ) is an American Proprietary software, proprietary social news news aggregator, aggregation and Internet forum, forum Social media, social media platform. Registered users (commonly referred to as "redditors") submit content to the ...

RethinkDB RethinkDB is a free and open-source, distributed document-oriented database originally created by the company of the same name. The database stores JSON documents with dynamic schemas, and is designed to facilitate pushing real-time updates for ...

Scribd Scribd Inc. (pronounced ) operates three primary platforms: Scribd, Everand, and SlideShare. Scribd is a digital document library that hosts over 195 million documents. Everand is a digital content subscription service offering a wide selectio ...

* SIRUM *

Songkick Songkick is a concert discovery service owned by Warner Music Group. The service allows users to search for upcoming concert events in their area, and also track individual artists to receive notifications of upcoming shows in their area. It also ...

* Stripe *

Quora Quora is an American social question-and-answer website and online knowledge market headquartered in Mountain View, California. It was founded on June 25, 2009, and made available to the public on June 21, 2010. Users can post questions, answ ...

* Virtualmin * Vote.org * WakeMate *

Weebly Weebly, a subsidiary of Block, Inc., is an American web hosting and web development company based in San Francisco, California. Founded in 2006 by David Rusenko, Chris Fanini, and Dan Veltri, the company offers WYSIWYG website creation service ...

* WePay *

Xobni Xobni (''inbox'' spelled backwards; pronounced ) was a San Francisco-based company that made software applications and services including products for Microsoft Outlook and mobile devices. It was founded in March 2006 by Adam Smith and Matt Brez ...

* YouOS * Zenter

2011-2015

* 7 Cups *

80,000 Hours 80,000 Hours is a London-based nonprofit organisation that conducts research on which careers have the largest positive social impact and provides career advice based on that research. The organisation's name refers to the typical amount of tim ...

* 9GAG * AirPair * Airware * Algolia * Bellabeat *

Bitnami Bitnami is a library of installers or software packages for web applications and software stacks as well as virtual appliances. Bitnami is sponsored by Bitrock, a company founded in 2003 in Seville, Spain by Daniel Lopez Ridruejo and Erica Bre ...

Bluesmart Bluesmart Inc. was a global travel technology company that developed and produced Internet of Things travel products. The brand launched a carry-on suitcase, the Bluesmart One, on the crowdfunding website Indiegogo in 2014. The campaign raised US$2 ...

* Boosted * BufferBox * Casetext * Canopy Labs * Chaldal.com *

Circle A circle is a shape consisting of all point (geometry), points in a plane (mathematics), plane that are at a given distance from a given point, the Centre (geometry), centre. The distance between any point of the circle and the centre is cal ...

Codecademy Codecademy is an American online interactive platform that offers free coding classes in 13 different programming languages including Python, Java, Go, JavaScript, Ruby, SQL, C++, C#, Lua, and Swift, as well as markup languages HTML ...

* Cofactor Genomics *

Coinbase Coinbase Global, Inc. is an American cryptocurrency exchange. It was founded in 2012 by Brian Armstrong and Fred Ehrsam. Coinbase has over 100 million users, and is the largest U.S. based cryptocurrency exchange as well as the world's bigge ...

Container Linux Container Linux (formerly CoreOS Linux) is a discontinued open-source lightweight operating system based on the Linux kernel and designed for providing infrastructure for clustered deployments. One of its focuses was scalability. As an operati ...

(CoreOS Linux) * CrowdMed *

Creative Market Creative Market is an online marketplace for user-generated design assets. The company sells fonts, graphics, illustrations, mockups, icons, templates, web themes, stock photography, and other digital goods for use by web creatives. Creative Ma ...

Cruise (autonomous vehicle) Cruise LLC was an American self-driving car company that became a subsidiary of General Motors, headquartered in San Francisco, California. Founded in 2013 by Kyle Vogt and Dan Kan (executive), Dan Kan, Cruise tested and developed autonomous car ...

Diaspora A diaspora ( ) is a population that is scattered across regions which are separate from its geographic place of birth, place of origin. The word is used in reference to people who identify with a specific geographic location, but currently resi ...

DoorDash DoorDash, Inc. is an American company operating online food ordering and food delivery. It trades under the symbol DASH. With a 56% market share, DoorDash is the largest food delivery platform in the United States. It also has a 60% market sha ...

* Double Robotics * drchrono * EquipmentShare * Exec *

Experiment An experiment is a procedure carried out to support or refute a hypothesis, or determine the efficacy or likelihood of something previously untried. Experiments provide insight into cause-and-effect by demonstrating what outcome occurs whe ...

Firebase Firebase was a company that developed backend software. It was founded in San Francisco in 2011 and was incorporated in Delaware. In 2014, Firebase was bought by Google. Its name continues as a set of backend cloud computing services and ...

* Flexport *

Fullstack Academy Fullstack Academy is an immersive software engineering coding bootcamp located in New York City. Students of the full-time flagship course learn full stack JavaScript over the course of a 13-week, on-campus program. Fullstack Academy offers be ...

* Gigster *

GitLab GitLab is a software forge primarily developed by GitLab Inc. It is available as a community edition and a commercial edition. History GitLab was created in 2011 by Ukrainian programmer Dmitriy Zaporozhets as a side project written in Rub ...

* Goldbelly * Gusto * Hackpad *

HackerRank HackerRank is a technology company that focuses on competitive programming challenges for both consumers and businesses. Developers compete by writing programs according to provided specifications. HackerRank's programming challenges can be solv ...

Helion Energy Helion Energy, Inc. is an American fusion research company, located in Everett, Washington. They are developing a magneto-inertial fusion technology to produce helium-3 and fusion power via aneutronic fusion, which could produce low-cost clean ...

Humble Bundle Humble Bundle, Inc. is a digital storefront for video games, which grew out of its original offering of Humble Bundles, collections of games sold at a price determined by the purchaser and with a portion of the price going towards charity and ...

Instacart Maplebear Inc., doing business as Instacart, is an American retail media and delivery company based in San Francisco that operates a grocery delivery and pick-up service in the United States and Canada accessible via a website and mobile app. ...

* Kamcord * Kickback * Lanyrd * LeadGenius * LendUp * LightTable *

Lumi LUMI (Large Unified Modern Infrastructure) is a petascale supercomputer located at the CSC data center in Kajaani, Finland. In January 2023, the computer became the fastest supercomputer in Europe. The completed system consists of 362,496 core ...

Matterport Matterport LLC is an American 3D spatial mapping company headquartered in Sunnyvale, California. It is a subsidiary of CoStar Group. The company was founded in 2011 as a private startup and subsequently merged with a special-purpose acquisition ...

* MemSQL * Meesho *

Meteor A meteor, known colloquially as a shooting star, is a glowing streak of a small body (usually meteoroid) going through Earth's atmosphere, after being heated to incandescence by collisions with air molecules in the upper atmosphere, creating a ...

* Move Loot * Mux * New Story *

Oklo Inc. Oklo Inc. is an Advanced nuclear, advanced nuclear technology company based in Santa Clara, California. Founded in 2013 by Jacob DeWitte and Caroline Cochran, both graduates of the Massachusetts Institute of Technology (MIT), the company designs ...

* Opentrons * OrderAhead *

Parse Parsing, syntax analysis, or syntactic analysis is a process of analyzing a string of symbols, either in natural language, computer languages or data structures, conforming to the rules of a formal grammar by breaking it into parts. The term ''pa ...

Paribus Paribus was an American company and creator of the price tracking app of the same name, which synced with a user's email account to scan for receipts and negotiated with online companies to refund the difference if there was a price drop shortl ...

* PatientBank * Paystack *

Pebble (watch) Pebble is a discontinued smartwatch developed by Pebble Technology Corporation based in Palo Alto, California that shipped from 2013 to 2016. A brainchild of Eric Migicovsky, funding was conducted through a Kickstarter campaign in 2012. It was t ...

* PlanGrid * Platzi *

Podium A podium (: podiums or podia) is a platform used to raise something to a short distance above its surroundings. In architecture a building can rest on a large podium. Podiums can also be used to raise people, for instance the conductor of a ...

Product Hunt Product Hunt is an American website to share and discover new products. It was founded by Ryan Hoover in November 2013. Users submit products, which are listed in a linear format by day. The site includes a comments system and a voting system ...

* Quartzy *

Rigetti Computing Rigetti Computing, Inc. is a Berkeley, California-based developer of Superconducting quantum integrated circuits used for quantum computers. Rigetti also develops a cloud platform called Forest that enables programmers to write quantum algorith ...

* Science Exchange * SmartAsset * Socialcam * Streak * Strikingly *

Swiftype Swiftype is a search and index company based in San Francisco, California, that provides search software for organizations, websites, and computer programs. Notable customers include AT&T, Dr. Pepper, Hubspot and TechCrunch. History Swiftype w ...

* Teespring * The Muse (The Daily Muse) * Tilt.com *

True Link True Link Financial, Inc., is a San Francisco, California based financial technology firm that offers investment accounts and prepaid cards customized for seniors, people with disabilities, and people recovering from addiction. Notable investor ...

* uBiome * Unbabel *

Upverter Upverter is an Electronic design automation, electronic circuit design system delivered in a web browser, which enables hardware engineers to design, share, and review circuit diagram, schematics and printed circuit boards. It additionally feature ...

* Verbling * Vidyard * Watsi *

Webflow Webflow, Inc. is an American company, based in San Francisco, that provides software as a service for website building and hosting. Their online visual editor platform allows users to design, build, and launch websites similar to Metaconex or Wix ...

Wefunder Wefunder is an online service that allows individual investors to crowdfund startup companies. Wefunder uses a provision in the 2012 JOBS Act that allows unaccredited investors to purchase equity in early stage private companies. Foundation ...

Zapier Zapier is an American multinational software company that offers a platform for automation, integration, and artificial intelligence (AI) orchestration to connect software applications and manage workflows. History Zapier was founded in 2011 i ...

* TriNet Zenefits * ZeroCater * Zesty

2016−2020

Boom Technology Boom Technology, Inc. (trade name Boom Supersonic) is an American company developing the Overture, a supersonic airliner. It has also flight tested a one-third-scale demonstrator, the Boom XB-1 "Baby Boom", which broke the sound barrier for the ...

* Brex * Coub * Deel Inc. * Flock Safety *

Grey Grey (more frequent in British English) or gray (more frequent in American English) is an intermediate color between black and white. It is a neutral or achromatic color, meaning that it has no chroma. It is the color of a cloud-covered s ...

* Legalist * LendEDU * Lezzoo * Modal Commerce (Drive Motors) * Momentus space * Netomi (msg.ai) *

Our World in Data Our World in Data (OWID) is a scientific online publication that focuses on large global problems such as poverty, disease, hunger, war, climate change, population growth, existential risks, and inequality. It is a project of the Global Cha ...

OpenSea OpenSea is an American online marketplace for non-fungible tokens (NFTs), founded in 2017 by Devin Finzer and Alex Atallah. It facilitates the buying, selling, and minting of NFTs across a range of blockchains. Headquartered in Miami, OpenSea sup ...

* Rappi *

Replit Replit (), formerly Repl.it, is an American AI company with natural language application development through its Agent platform. Founded in 2016 as a online integrated development environment (IDE), Replit creates software via AI with a platf ...

Scale AI Scale AI, Inc. is an American data annotation company based in San Francisco, California. It provides data labeling and model evaluation services to develop applications for artificial intelligence. The company’s research arm, the Safety, E ...

* Sixa *

Skip Skip or Skips may refer to: Acronyms * SKIP (Skeletal muscle and kidney enriched inositol phosphatase), a human gene * Simple Key-Management for Internet Protocol * SKIP of New York (Sick Kids need Involved People), a non-profit agency aiding ...

* Tara AI *

The Athletic ''The Athletic'' is a subscription-based sports journalism department of ''The New York Times''. It provides national and local coverage in 47 North American cities as well as the United Kingdom. ''The Athletic'' also covers national stories ...

The Good Food Institute The Good Food Institute (GFI) is a 501(c)(3) nonprofit organization that promotes plant- and cell-based alternatives to animal products, particularly meat, dairy, and eggs. It was created in 2016 by the nonprofit organization Mercy For Animal ...

https://www.fastcompany.com/90221400/y-combinator-is-funding-a-nonprofit-that-advocates-for-meat-alternatives * Upsolve *

Women Who Code Women Who Code (WWCode) was an international non-profit organization that provides services for women pursuing technology careers and a job board for companies seeking coding professionals. The company aims to provide an avenue into the techno ...

* Writesonic * Yotta Technologies

2021–2025

Careerist Careerism is the propensity to pursue career advancement, Power (social and political), power, and prestige outside of work performance. Cultural environment Cultural factors influence how careerists view their occupational goals. How an individ ...

* ControlHub * Deel Inc. * Polymath Robotics * SyntheticFi * Turing College (edtech company)

References

External links

"YC Companies"
at ycombinator.com {{Y Combinator *

Y Combinator Technology companies Entrepreneurship