List of Y Combinator startups

The following notable startups have completed the Y Combinator 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."

2005−2006

 * Clustrix
 * Loopt
 * OMGPop
 * Reddit
 * Scribd
 * Xobni
 * YouOS

2007–2008

 * 280 North
 * AppJet
 * Biographicon
 * Disqus
 * Dropbox
 * Heroku
 * Justin.tv
 * Ninite
 * Octopart
 * Parakey
 * Posterous
 * Songkick
 * Virtualmin
 * Weebly
 * Zenter

2009−2010

 * 1000Memories
 * Airbnb
 * Bump
 * Homejoy
 * Listia
 * Mixpanel
 * Optimizely
 * OwnLocal
 * PagerDuty
 * Recurse Center (Hacker School)
 * RethinkDB
 * Stripe
 * WakeMate
 * WePay

2011

 * Circle
 * Codecademy
 * drchrono
 * Firebase
 * HackerRank
 * Humble Bundle
 * Lanyrd
 * LeadGenius
 * MemSQL
 * Meteor
 * MongoHQ
 * OrderAhead
 * Parse
 * Pebble (watch)
 * Quartzy
 * Science Exchange
 * Upverter
 * Verbling
 * Vidyard
 * ZeroCater
 * Glassmap

2012

 * 9GAG
 * Boosted
 * BufferBox
 * Canopy Labs
 * Coinbase
 * Diaspora
 * Double Robotics
 * Exec
 * Fullstack Academy
 * Gusto
 * Hackpad
 * Instacart
 * Kamcord
 * LendUp
 * LightTable
 * PlanGrid
 * Socialcam
 * Swiftype
 * The Muse (The Daily Muse)
 * Tilt.com
 * Zapier

2013

 * 7 Cups
 * Airware
 * Bitnami
 * Container Linux (CoreOS Linux)
 * CrowdMed
 * DoorDash
 * Experiment
 * Goldbelly
 * Strikingly
 * Teespring
 * True Link
 * Watsi
 * Webflow
 * Zenefits

2014–2015

 * 80,000 Hours
 * AirPair
 * Algolia
 * Bluesmart
 * Cofactor Genomics
 * Flexport
 * Gigster
 * GitLab
 * Kickback
 * Lumi
 * Move Loot
 * Paribus
 * Platzi
 * Product Hunt
 * Rigetti Computing
 * uBiome
 * Unbabel
 * Zesty
 * Zidisha

2016−2018

 * Boom Technology
 * Brex
 * Coub
 * LendEDU
 * Modal Commerce (Drive Motors)
 * Netomi (msg.ai)
 * Rappi
 * Replit
 * Sixa
 * Women Who Code

2019−2020

 * Our World in Data
 * Upsolve
 * Swif
 * Localyze

2021-2022

 * Coinrule