 WarrantAuthorization and access control as a service.acquiredteam of 3YC S21·Acquired·Devtools | Devtools | Acquired | YCS21 |
 Breez SecurityIdentity threat detection in real timeacquiredSPC 2023·Acquired·Other | Other | Acquired | SPC2023 |
 ProducerYour personal AI music agentacquiredSPC 2023·Acquired·AI | AI | Acquired | SPC2023 |
 bxbluebxblue is a marketplace for people with guaranteed income in Brazil.…team of 28acquiredYC S17·Acquired·Other | Other | Acquired | YCS17 |
 PlatoPlato is the mentorship platform for engineering leadersteam of 26acquiredYC W16·Acquired·Other | Other | Acquired | YCW16 |
 NaborlyA credit bureau for the renting generation.team of 25acquiredYC W18·Acquired·AI | AI | Acquired | YCW18 |
 BonsaiThe all-in-one solution for small businesses and self-employed.team of 25acquiredYC W16·Acquired·Other | Other | Acquired | YCW16 |
 flexEngageDynamic transactional communications for physical stores to help…team of 25acquiredYC W16·Acquired·Data | Data | Acquired | YCW16 |
| AAptibleThe No Infrastructure Platform as a Serviceteam of 25acquiredYC S14·Acquired·Devtools | Devtools | Acquired | YCS14 |
 Semantics3Data and AI platform for Ecommerce & Cross-Border Logisticsteam of 25acquiredYC W13·Acquired·AI | AI | Acquired | YCW13 |
 SaleswhaleSaleswhale is an automated sales assistant that follows up with your…team of 23acquiredYC S16·Acquired·AI | AI | Acquired | YCS16 |
 SimpleCitizenFrom signup to citizenship, only SimpleCitizen guides applicants…team of 23acquiredYC S16·Acquired·Other | Other | Acquired | YCS16 |
 SigOptSigOpt is an Optimization-as-a-Service platform that seamlessly tunes…team of 23acquiredYC W15·Acquired·AI, Devtools | AI, Devtools | Acquired | YCW15 |
 KidPassOnline & In-Person Kids Activitiesteam of 21acquiredYC W17·Acquired·Other | Other | Acquired | YCW17 |
 SearchlightTalent AI improving quality of hireteam of 20acquiredYC W19·Acquired·AI | AI | Acquired | YCW19 |
| ASAllure SystemsA.I. to create stunning fashion images for eCommerce.team of 18acquiredYC W19·Acquired·AI | AI | Acquired | YCW19 |
 CatchBenefits for independent workers.team of 18acquiredYC W19·Acquired·Other | Other | Acquired | YCW19 |
 PopSQLSQL editor for teamsteam of 15acquiredYC S19·Acquired·Data, Devtools | Data, Devtools | Acquired | YCS19 |
 BunBun is an incredibly fast all-in-one JavaScript toolkitteam of 13acquiredYC S19·Acquired·Devtools | Devtools | Acquired | YCS19 |
 OMGPopAn independent flash game studio.YC top companyteam of 11YC S06·Acquired·Other | Other | Acquired | YCS06 |
 Bear Flag RoboticsAutonomous driving technology for farm tractors.YC top companyteam of 10YC W18·Acquired·Other | Other | Acquired | YCW18 |
 WeavWeav is the universal API for commerce platformsteam of 9acquiredYC W20·Acquired·Devtools | Devtools | Acquired | YCW20 |
 yBANQyBANQ is building a Bill.com for India to simplify collections and…team of 9acquiredYC W20·Acquired·Other | Other | Acquired | YCW20 |
 PhonicThe best way to collect and analyze voice and video feedbackteam of 8acquiredYC W20·Acquired·AI | AI | Acquired | YCW20 |
 BiocognivA startup in Y Combinator's Summer 2020 batch, based in Burlington.team of 6acquiredYC S20·Acquired·Other | Other | Acquired | YCS20 |
 GatherProject management software for People Operationsteam of 6acquiredYC S20·Acquired·Other | Other | Acquired | YCS20 |
 ReflectNo-code test automation for web appsteam of 6acquiredYC S20·Acquired·Devtools | Devtools | Acquired | YCS20 |
 LaudspeakerOpen source mobile marketing platform. Alternative to appcues /…acquiredteam of 3YC W21·Acquired·Devtools | Devtools | Acquired | YCW21 |
 Roin TechnologiesBuilding robots to automate commercial concrete construction.acquiredteam of 3YC W21·Acquired·Other | Other | Acquired | YCW21 |
 TechBizMIS on mobile for SMB's in Indiaacquiredteam of 3YC W21·Acquired·Other | Other | Acquired | YCW21 |
 MentumAI-Powered Assistant for Procurement and Strategic Sourcingacquiredteam of 2YC S21·Acquired·AI | AI | Acquired | YCS21 |
 MojoMobile app for creating pro-quality social media videosteam of 20acquiredYC W18·Acquired·Other | Other | Acquired | YCW18 |
 Clara LabsClara is a human-in-the-loop assistant that helps automate repetitive…team of 20acquiredYC S14·Acquired·Other | Other | Acquired | YCS14 |
 Next CallerNext Caller creates a positive customer experience through real-time…team of 20acquiredYC W14·Acquired·Devtools | Devtools | Acquired | YCW14 |
 SketchDeckOperating system for creative agenciesteam of 20acquiredYC W14·Acquired·Other | Other | Acquired | YCW14 |
 KinsidePowering the $648b Care Economyteam of 18acquiredYC S18·Acquired·Other | Other | Acquired | YCS18 |
 Product HuntThe best new products in techteam of 18acquiredYC S14·Acquired·Other | Other | Acquired | YCS14 |
 AskdataFrictionless Datateam of 17acquiredYC W19·Acquired·AI, Data | AI, Data | Acquired | YCW19 |
 SmarkingDigitize $655B parking industryteam of 17acquiredYC W15·Acquired·AI, Data | AI, Data | Acquired | YCW15 |
 YhatEnd-to-end data science lifecycle management platform.team of 17acquiredYC W15·Acquired·AI, Data, Devtools | AI, Data, Devtools | Acquired | YCW15 |
 RavtiSoftware to track, manage, and procure HVAC for commercial real…team of 17acquiredYC S14·Acquired·Other | Other | Acquired | YCS14 |
 NebiaNebia is a breakthrough shower system, based on a premium experience,…team of 16acquiredYC S15·Acquired·Other | Other | Acquired | YCS15 |
 One CodexData platform for metagenomics and the microbiome.team of 16acquiredYC S14·Acquired·Other | Other | Acquired | YCS14 |
 SenicSimple Controls for Sonos, Philips Hue and other Smart Home productsteam of 16acquiredYC S13·Acquired·Other | Other | Acquired | YCS13 |
 SableMobile bank for credit-worthy, new-to-America internationals offering…team of 12acquiredYC S19·Acquired·Other | Other | Acquired | YCS19 |
 WingmanWingman helps inside sales reps with coaching while they're on a call.team of 10acquiredYC S19·Acquired·Other | Other | Acquired | YCS19 |
 ZynqOffice management platform that optimizes your hybrid workplaceteam of 7acquiredYC W20·Acquired·Other | Other | Acquired | YCW20 |
 Pay SwifterStripe for Cannabisteam of 6acquiredYC W20·Acquired·Other | Other | Acquired | YCW20 |
 FigFig adds visual apps, shortcuts, and autocomplete to your terminal.team of 5acquiredYC S20·Acquired·Devtools | Devtools | Acquired | YCS20 |
 OmniFast, up-to-date answers for Sales & Supportteam of 5acquiredYC S20·Acquired·AI | AI | Acquired | YCS20 |
 Strive SchoolTraining the next generation of software engineers in Europe 🇪🇺team of 5acquiredYC S20·Acquired·Other | Other | Acquired | YCS20 |
 Bandit MLBandit ML builds machine learning tools for e-commerce companies.acquiredteam of 4YC S20·Acquired·AI | AI | Acquired | YCS20 |
 JitsuOpen-Source CDP (acquired by Helium Ventures)acquiredteam of 4YC S20·Acquired·Data, Devtools | Data, Devtools | Acquired | YCS20 |
 webapp.ioBuild webapps faster with 10x better CI/CD + preview envsacquiredteam of 4YC S20·Acquired·Devtools | Devtools | Acquired | YCS20 |
| SStreemAcquired by Box in June 2014. We built: (1) a native win/mac…acquiredteam of 4YC S12 +2·Acquired·Other | Other | Acquired | YC +2S12 |
 PartneredThe network where sales teams connect to share customer introductions.acquiredteam of 2YC W21·Acquired·Other | Other | Acquired | YCW21 |
 Impactive (formerly Outvote)Political/civic tech helping progressive campaigns organize & mobilizeteam of 15acquiredYC S18·Acquired·Other | Other | Acquired | YCS18 |
 LawyawAutomating document-based workflowsteam of 15acquiredYC W18·Acquired·Other | Other | Acquired | YCW18 |
 BulletinHelping retailers discover and shop the best brands on the planetteam of 15acquiredYC W17·Acquired·Other | Other | Acquired | YCW17 |
 ScribeScribe is an AI based Sales Development Representative that you can…team of 15acquiredYC W17·Acquired·AI | AI | Acquired | YCW17 |
Startupsby Glyph