 FondRewards and recognition SaaS for HR leadersteam of 51acquiredYC W12·Acquired·Other | Other | Acquired | YCW12 |
 iCrackedOn-demand smartphone repair in 3 countries and launching smart home…team of 51acquiredYC W12·Acquired·Other | Other | Acquired | YCW12 |
| TTiltMobile crowdfunding: The easiest way to collect, fundraise, and sell…team of 51acquiredYC W12·Acquired·Other | Other | Acquired | YCW12 |
| AAutomaticAutomatic connects your car to the rest of your digital life.team of 51acquiredYC S11·Acquired·Other | Other | Acquired | YCS11 |
 CaviarUber for food.team of 51acquiredYC S11·Acquired·Other | Other | Acquired | YCS11 |
 ComposeWe make it easy to run databases.
PostgreSQL, Redis, MongoDB,…team of 51acquiredYC S11·Acquired·Data, Devtools | Data, Devtools | Acquired | YCS11 |
 RealmBetter data structures = no DB.team of 51acquiredYC S11·Acquired·Data | Data | Acquired | YCS11 |
 ApportableiOS portingteam of 51acquiredYC W11·Acquired·Devtools | Devtools | Acquired | YCW11 |
 ComprehendSaaS to increase speed and quality of clinical trials.team of 51acquiredYC W11·Acquired·Other | Other | Acquired | YCW11 |
 MailgunEmail API service.team of 51acquiredYC W11·Acquired·Devtools | Devtools | Acquired | YCW11 |
 PebbleWatch that helps you get shit done and limit the mayhem of…team of 51acquiredYC W11·Acquired·Other | Other | Acquired | YCW11 |
 HipmunkHipmunk takes the agony out of searching for flights, accommodations,…team of 51acquiredYC S10·Acquired·Other | Other | Acquired | YCS10 |
 500Friendsthe best loyalty and retention marketing partner for CMOs.team of 51acquiredYC W10·Acquired·Other | Other | Acquired | YCW10 |
 CloudantNoSQL Database-aaS. Acquired by IBM in 2014. Now IBM Cloud Data…team of 51acquiredYC S08·Acquired·Data, Devtools | Data, Devtools | Acquired | YCS08 |
 ClustrixA data startup in Y Combinator's Winter 2006 batch, based in San Francisco.team of 51acquiredYC W06·Acquired·Data | Data | Acquired | YCW06 |
 HeyDoctorHeyDoctor provides online primary care (like refilling birth control,…team of 50acquiredYC S18·Acquired·Other | Other | Acquired | YCS18 |
 PlaymentMechanical Turk for enterprises.team of 50acquiredYC W17·Acquired·AI, Devtools | AI, Devtools | Acquired | YCW17 |
 JopwellCareer advancement for Black, Latinx & Native American professionals.team of 50acquiredYC S15·Acquired·Other | Other | Acquired | YCS15 |
 PaperspacePaperspace is a cloud platform for building and scaling AI…team of 50acquiredYC W15·Acquired·AI, Devtools | AI, Devtools | Acquired | YCW15 |
 WayUpMarketplace for employers to recruit college students and recent gradsteam of 50acquiredYC W15·Acquired·Other | Other | Acquired | YCW15 |
 ApptimizeApptimize lets mobile teams innovate faster to create an amazing user…team of 50acquiredYC S13·Acquired·Devtools | Devtools | Acquired | YCS13 |
 CasetextWe make the world's laws free and understandable.team of 50acquiredYC S13·Acquired·AI | AI | Acquired | YCS13 |
 SwiftypeSmart search for the modern team.team of 50acquiredYC W12·Acquired·Devtools | Devtools | Acquired | YCW12 |
 Science ExchangePowering scientific outsourcingteam of 50acquiredYC S11·Acquired·Other | Other | Acquired | YCS11 |
 OrderAheadOrder ahead for pickupteam of 50acquiredYC W11·Acquired·Other | Other | Acquired | YCW11 |
 Open ListingsA better way to buy a hometeam of 48acquiredYC W15·Acquired·Other | Other | Acquired | YCW15 |
 EdenWorkplace software for people-centric companies.team of 45acquiredYC S15·Acquired·Other | Other | Acquired | YCS15 |
 HigherMeHelping restaurant employers find & hire better employees fasterteam of 45acquiredYC W15·Acquired·Other | Other | Acquired | YCW15 |
 HeadstartHeadstart uses Machine Learning to help companies decide on who to…team of 44acquiredYC S17·Acquired·AI | AI | Acquired | YCS17 |
 Fat LlamaFat Llama is the first fully insured peer-to-peer rental marketplace.…team of 41acquiredYC S17·Acquired·Other | Other | Acquired | YCS17 |
 GeositeGeosite is an enterprise SaaS platform for spatial data.team of 40acquiredYC W19·Acquired·Other | Other | Acquired | YCW19 |
 Shelf EngineTransforms how grocery stores buy highly perishable foods.team of 40acquiredYC S18·Acquired·AI | AI | Acquired | YCS18 |
 AeroFSSecure Enterprise Collaboration.team of 40acquiredYC S10·Acquired·Devtools | Devtools | Acquired | YCS10 |
 ChartioChartio is changing how companies work by building the best…team of 40acquiredYC S10·Acquired·Data | Data | Acquired | YCS10 |
 AXDRAFTAXDRAFT helps corporations draft, negotiate and approve documents 10x…team of 34acquiredYC W19·Acquired·AI | AI | Acquired | YCW19 |
| DMData MechanicsSpark-on-Kubernetes Data Engineering Platformteam of 25acquiredYC S19·Acquired·Data, Devtools | Data, Devtools | Acquired | YCS19 |
| PProxySmart ring digital walletteam of 20YC top companyYC S16·Acquired·Other | Other | Acquired | YCS16 |
 EternalOwn the best moments in streamingteam of 15acquiredYC W20·Acquired·Other | Other | Acquired | YCW20 |
 HypermileDriver co-pilot to make trucking more efficientteam of 11acquiredYC S20·Acquired·AI, Devtools | AI, Devtools | Acquired | YCS20 |
 TechmateA technology concierge for your home. We provide on-demand support…team of 11acquiredYC S16 +1·Acquired·Other | Other | Acquired | YC +1S16 |
 PlateJoyPlateJoy is building the technology to power disease prevention and…team of 11acquiredYC S15 +1·Acquired·Other | Other | Acquired | YC +1S15 |
 BoostableAdvertising platform tools for marketplace sellers.team of 11acquiredYC W14 +1·Acquired·Other | Other | Acquired | YC +1W14 |
 DatarankMaking sense of social data.
(Acquired by SimplyMeasured.)team of 11acquiredYC S13 +1·Acquired·Data | Data | Acquired | YC +1S13 |
 LockitronLockitron makes electronic locks you can control locally from your…team of 11acquiredYC S09 +1·Acquired·Other | Other | Acquired | YC +1S09 |
 MattermarkBig Data Meets Startup Investing
The best tool for tracking and…team of 11acquiredYC S12 +1·Acquired·Data | Data | Acquired | YC +1S12 |
 ZencoderVideo Encoding API,
Open source video player (video.js)team of 11acquiredYC W10 +1·Acquired·Devtools | Devtools | Acquired | YC +1W10 |
 ClearBrainCausal Analytics for Growth Teamsteam of 10acquiredYC W18 +1·Acquired·AI, Data | AI, Data | Acquired | YC +1W18 |
 WillingThe best way to make your legal will.team of 10acquiredYC S15 +1·Acquired·Other | Other | Acquired | YC +1S15 |
 HERHER helps lesbian, bisexual and queer people meet each otherteam of 10acquiredYC S15 +1·Acquired·Other | Other | Acquired | YC +1S15 |
 CharityvestA premier charitable giving account, for everyone.team of 9acquiredYC S20·Acquired·Other | Other | Acquired | YCS20 |
 WorksphereManage your hybrid workplaceteam of 6acquiredYC W21·Acquired·Other | Other | Acquired | YCW21 |
 ClipDropTurn regular mobile photos into professional product visualsteam of 5acquiredYC W21·Acquired·AI | AI | Acquired | YCW21 |
 eqtbleTurning HR data into actionable insightsteam of 5acquiredYC W21·Acquired·Other | Other | Acquired | YCW21 |
 FlokEnd to end company retreat planningteam of 5acquiredYC W21·Acquired·Other | Other | Acquired | YCW21 |
 FurmacyDigital e-prescribing software for veterinarians.team of 5acquiredYC W21·Acquired·Other | Other | Acquired | YCW21 |
 HyperGlueBusiness intelligence on textteam of 5acquiredYC W21·Acquired·AI, Data | AI, Data | Acquired | YCW21 |
 KitemakerA faster and more collaborative alternative to Jira for remote teamsteam of 5acquiredYC W21·Acquired·Devtools | Devtools | Acquired | YCW21 |
 PyroscopeOpen source continuous profiling software to debug performance issuesteam of 5acquiredYC W21·Acquired·Devtools | Devtools | Acquired | YCW21 |
 NasdiscA marketplace for vinyl, cassettes and cdsacquiredteam of 4YC S21·Acquired·Other | Other | Acquired | YCS21 |
 OnfolkGusto for the UKacquiredteam of 4YC S21·Acquired·Other | Other | Acquired | YCS21 |
Startupsby Glyph