Top accelerator startups

14,448 startups · 29 programs

YC Summer 2021

391 companies · 34% AI · 28 data · 59 devtools · started Jun 2021

The S21 companies

OtherInferOperating system for insurance agenciesYC S21BengaluruStartup →OtherOnebriefOnebrief makes military headquarters run seamlesslyYC S21HonoluluStartup →OtherChipaxQuickbooks for SMBs in LatamYC S21SantiagoStartup →OtherAcquiredHilosClose and activate your customers on WhatsAppYC S21Mexico CityStartup →OtherLemFiFair, simple and accessible financial servicesYC S21LondonStartup →AIBaubapSmart micro financing for everyoneYC S21Mexico CityStartup →OtherAcquiredMailmodoNo-code email marketing platform to send forms & widgets within emailsYC S21San FranciscoStartup →AISullyAutonomous team of AI agents that runs the entire hospital operationsYC S21San FranciscoStartup →AIShipBluAmazon Level Logistics for eCommerce Companies in MENA.YC S21CairoStartup →OtherContalinkWe help Accountants automate work and serve their customers onlineYC S21MonterreyStartup →AIAcquiredZumaWe help businesses convert leads into sales in minutes using textYC S21Los AngelesStartup →Developer toolsMeticulousAutomated e2e screenshot testing without writing or maintaining testsYC S21LondonStartup →OtherYummyThe everything app for LATAMYC S21Los AngelesStartup →OtherAdvantage ClubGlobal platform for employee engagement with rewards&flexible benefitsYC S21GurugramStartup →OtherARQThe global financial platform for affluent consumers in the Americas.YC S21LondonStartup →OtherStepfulOnline Training for Healthcare JobsYC S21New York CityStartup →OtherAcquiredDeedMaking it easy for employees to donate and volunteer with good causes.YC S21New York CityStartup →AIIntellectA modern-day mental healthcare company for global workforces.YC S21SingaporeStartup →AIMarqVisionIP operating software for brands and content companiesYC S21Los AngelesStartup →OtherDoubleWe make software for bookkeepers.YC S21New York CityStartup →AIRootlyAI-native on-call and incident response carefully crafted to help…YC S21San FranciscoStartup →AITavusBuilding the human layer of AIYC S21San FranciscoStartup →OtherNovatrOnline cohort based courses for architects, engineers and designers…YC S21GurugramStartup →OtherAwesomicGet matched with top 1% of talents in 24hYC S21San FranciscoStartup →OtherPide DirectoOne-stop-shop for restaurants to operate and grow their business.YC S21MonterreyStartup →OtherTokuAccount Receivables Platform for Latin American EnterprisesYC S21SantiagoStartup →OtherSlashBanking, corporate cards, stablecoin payments – available globally.YC S21MinneapolisStartup →OtherForagePayments powering peopleYC S21San FranciscoStartup →AIConfidoAI-enabled financial automation and intelligence for CPG BrandsYC S21New York CityStartup →OtherAcquiredGoodkindStudent communications platform for higher educationYC S21TorontoStartup →OtherKarbon CardCorporate Card solution for Indian businessesYC S21BengaluruStartup →OtherlapzoLattice for Latam with personalized learning and developmentYC S21MonterreyStartup →OtherStorylaneBuild Interactive Product Demo in 10 mins for SaaS companiesYC S21San FranciscoStartup →OtherPayflowA mobile app. It allows employees to get paid their salary on-demand.YC S21MadridStartup →OtherPandaiLearning app for school students in Southeast AsiaYC S21Kuala LumpurStartup →Developer toolsPluggyPlaid for Brazil: we allow developers to access users' financial dataYC S21São PauloStartup →DataAcquiredBreadcrumbs.ioNo-code scoring engine identifying your most engaged upsell oppsYC S21San FranciscoStartup →OtherAcquiredInflowA self-help app for people to manage their ADHD.YC S21LondonStartup →OtherStrive MathOnline Coding School for Kids 8-16YC S21SingaporeStartup →OtherCareeristLearning platform for job seekers with job applications automationYC S21San FranciscoStartup →OtherChariB2B e-commerce and fintech platform for traditional proximity storesYC S21CasablancaStartup →AIFiladdWe help students in Latin America graduate from College.YC S21CórdobaStartup →OtherHitPayFull-stack payments infrastructure for growing APAC businessesYC S21SingaporeStartup →OtherAlgoUniversityBuilding Job driven Virtual Tech University for India 🇮🇳YC S21BengaluruStartup →OtherJABUB2B payments, transforming Africa's cash economyYC S21Cape TownStartup →OtherNashNash is the digital logistics infrastructure for commerceYC S21San FranciscoStartup →AISalaryBoxGusto for IndiaYC S21GurugramStartup →OtherAcquiredAerCompound compliance: the central hub for meeting SEC obligationsYC S21New York CityStartup →OtherAcquiredSproutfiLatin Americas' first investing social network. Learn. Share. Invest.YC S21São PauloStartup →OtherAcquiredBeeperOne chat app to rule them allYC S21San FranciscoStartup →OtherIvy HomesWe make instant offers to buy homes in IndiaYC S21BengaluruStartup →OtherStownestFlexible On-Demand Storage Space for Household, SMEs & Travellers.YC S21BengaluruStartup →AICoastDemo operations for the AI eraYC S21New York CityStartup →OtherReframeApp to help people quit or cut back on alcohol useYC S21AtlantaStartup →OtherBarakaGrow Your Wealth With BarakaYC S21DubaiStartup →Developer toolsFormanceOpen Source Infrastructure for the Financial InternetYC S21ParisStartup →OtherAcquiredinaiSegment for global paymentsYC S21LondonStartup →AIExaWeb search rebuilt for LLMsYC S21San FranciscoStartup →Developer toolsPylonInfrastructure management software for water & electricity companiesYC S21CairoStartup →AIAnakinOne API to get clean data from any website for your AI agents at scaleYC S21AustinStartup →OtherNomodThe UAE’s leading small business payments platformYC S21DubaiStartup →OtherAlephOne source of truth for financial data.YC S21New York CityStartup →AIKodexEasiest way for companies to process data requests from governmentsYC S21BostonStartup →OtherKaiPod LearningA national network of microschools bringing school choice to every…YC S21BostonStartup →AILagoThe AI Native Billing PlatformYC S21San FranciscoStartup →OtherAmenliOffers insurance to customers in a convenient & transparent wayYC S21CairoStartup →AIVerihubsAI-powered Deepfake DetectionYC S21JakartaStartup →OtherAleph Solutions (Alephee)We help automotive aftermarket brands to supply and sell parts onlineYC S21Buenos AiresStartup →OtherCartpandaGlobal online sales platformYC S21São PauloStartup →DataDatloDatlo helps companies increase sales and expand through dataYC S21MaringáStartup →AISwipeSuper AI Accountant for SMBsYC S21HyderabadStartup →OtherLuminateWe make cancer care at home possible.YC S21GalwayStartup →OtherSensible BiotechnologiesUnlocking the next generation of mRNA medicinesYC S21OxfordStartup →AIAdaptyvWe're building fully automated labs for protein engineeringYC S21LausanneStartup →OtherBolsterThe platform for buying, selling and managing residential constructionYC S21CalgaryStartup →OtherCharge RoboticsRobots that build solar farmsYC S21San FranciscoStartup →AIMach9AI CAD Software for Civil EngineeringYC S21San FranciscoStartup →AIMindFiTransforming Mental Health for Corporate AsiaYC S21SingaporeStartup →Developer toolstestRigorExecutable specifications in English for test automationYC S21San FranciscoStartup →AIAquaThe AI-Native Turnkey Alternative Investment Platform (TAIP)YC S21New York CityStartup →OtherGenomelinkDNA App StoreYC S21San FranciscoStartup →OtherInstaKinFinancial Platform for Migrant Families in AmericaYC S21HoustonStartup →Developer toolsAcquiredArenguBuild frictionless signup flows in minutesYC S21A CoruñaStartup →OtherAcquiredTablevibeDirect Ordering Software for RestaurantsYC S21SingaporeStartup →DataAcquiredTarsalData pipeline for your security data lake.YC S21New York CityStartup →AIAcquiredFirstIgniteAI-Powered Business Development for Scientific OrganizationsYC S21RemoteStartup →AIProtex AIComputer vision that makes the industrial workplace, saferYC S21LimerickStartup →OtherInfinaLeading wealth management and investing platform in VietnamYC S21San FranciscoStartup →OtherMalgaMalga is an API to accept payments with multiple payment providersYC S21Rio de JaneiroStartup →OtherCarbonfactDecarbonizing the fashion industryYC S21ParisStartup →AISecodaSecoda is the AI layer for your AnalyticsYC S21TorontoStartup →AINeodocsInstant lab tests on your smartphoneYC S21MHStartup →AIOneSchemaThe AI Cowork for big dataYC S21San FranciscoStartup →AIParallel BioUsing the immune system to cure diseaseYC S21San FranciscoStartup →AIReploSell anythingYC S21San FranciscoStartup →DataAcquiredCloudthreadEliminate Cloud Waste. Attribute and Track Savings. Engage Engineers.YC S21San FranciscoStartup →OtherAcquiredFingo AfricaA neobank for Africa's 500 million youthYC S21NairobiStartup →OtherAcquiredKapacity.ioReducing energy costs & emissions in buildings.YC S21HelsinkiStartup →OtherAcquiredMableFirst personalized migraine clinic using genetics and telehealth.YC S21LondonStartup →OtherMonetPayroll-backed loans and cash advances in LatamYC S21MiamiStartup →
Company
InferOperating system for insurance agenciesteam of 92 programsActiveOther
OnebriefOnebrief makes military headquarters run seamlesslyteam of 2002 programsActiveOther
ChipaxQuickbooks for SMBs in Latamteam of 372 programsActiveOther
HilosClose and activate your customers on WhatsAppteam of 5acquiredAcquiredOther
LemFiFair, simple and accessible financial servicesteam of 500ActiveOther
BaubapSmart micro financing for everyoneteam of 1502 programsActiveAI
MailmodoNo-code email marketing platform to send forms & widgets within emailsteam of 70acquiredAcquiredOther
SullyAutonomous team of AI agents that runs the entire hospital operationsteam of 442 programsActiveAI
ShipBluAmazon Level Logistics for eCommerce Companies in MENA.team of 300ActiveAI
ContalinkWe help Accountants automate work and serve their customers onlineteam of 752 programsActiveOther
ZumaWe help businesses convert leads into sales in minutes using textteam of 50acquiredAcquiredAI
MeticulousAutomated e2e screenshot testing without writing or maintaining teststeam of 15on 4 Glyph sourcesActiveDevtools
YummyThe everything app for LATAMteam of 260ActiveOther
Advantage ClubGlobal platform for employee engagement with rewards&flexible benefitsteam of 220ActiveOther
ARQThe global financial platform for affluent consumers in the Americas.team of 100hiringActiveOther
StepfulOnline Training for Healthcare Jobsteam of 100hiringActiveOther
DeedMaking it easy for employees to donate and volunteer with good causes.team of 40acquiredAcquiredOther
IntellectA modern-day mental healthcare company for global workforces.team of 200ActiveAI
MarqVisionIP operating software for brands and content companiesteam of 200ActiveAI
DoubleWe make software for bookkeepers.team of 80hiringActiveOther
RootlyAI-native on-call and incident response carefully crafted to help…team of 75hiringActiveAI, Devtools
TavusBuilding the human layer of AIteam of 75hiringActiveAI, Devtools
NovatrOnline cohort based courses for architects, engineers and designers…team of 180ActiveOther
AwesomicGet matched with top 1% of talents in 24hteam of 150ActiveOther
Pide DirectoOne-stop-shop for restaurants to operate and grow their business.team of 150ActiveOther
TokuAccount Receivables Platform for Latin American Enterprisesteam of 150ActiveOther
SlashBanking, corporate cards, stablecoin payments – available globally.team of 70hiringActiveOther
ForagePayments powering peopleteam of 66hiringActiveOther
ConfidoAI-enabled financial automation and intelligence for CPG Brandsteam of 65hiringActiveAI, Data
GoodkindStudent communications platform for higher educationteam of 30acquiredAcquiredOther
Karbon CardCorporate Card solution for Indian businessesteam of 144ActiveOther
lapzoLattice for Latam with personalized learning and developmentteam of 135ActiveOther
StorylaneBuild Interactive Product Demo in 10 mins for SaaS companiesteam of 55hiringActiveOther
PayflowA mobile app. It allows employees to get paid their salary on-demand.team of 50hiringActiveOther
PandaiLearning app for school students in Southeast Asiateam of 322 programsActiveOther
PluggyPlaid for Brazil: we allow developers to access users' financial datateam of 312 programsActiveDevtools
Breadcrumbs.ioNo-code scoring engine identifying your most engaged upsell oppsteam of 20acquiredAcquiredData, Devtools
InflowA self-help app for people to manage their ADHD.team of 20acquiredAcquiredOther
Strive MathOnline Coding School for Kids 8-16team of 132 programsActiveOther
CareeristLearning platform for job seekers with job applications automationteam of 100ActiveOther
ChariB2B e-commerce and fintech platform for traditional proximity storesteam of 100ActiveOther
FiladdWe help students in Latin America graduate from College.team of 100ActiveAI
HitPayFull-stack payments infrastructure for growing APAC businessesteam of 42hiringActiveOther
AlgoUniversityBuilding Job driven Virtual Tech University for India 🇮🇳team of 40hiringActiveOther
JABUB2B payments, transforming Africa's cash economyteam of 40hiringActiveOther
NashNash is the digital logistics infrastructure for commerceteam of 40hiringActiveOther
SalaryBoxGusto for Indiateam of 40hiringActiveAI
AerCompound compliance: the central hub for meeting SEC obligationsteam of 18acquiredAcquiredOther
SproutfiLatin Americas' first investing social network. Learn. Share. Invest.team of 17acquiredAcquiredOther
BeeperOne chat app to rule them allteam of 16acquiredAcquiredOther
Ivy HomesWe make instant offers to buy homes in Indiateam of 80ActiveOther
StownestFlexible On-Demand Storage Space for Household, SMEs & Travellers.team of 80ActiveOther
CoastDemo operations for the AI erateam of 35hiringActiveAI, Devtools
ReframeApp to help people quit or cut back on alcohol useteam of 35hiringActiveOther
BarakaGrow Your Wealth With Barakateam of 34hiringActiveOther
FormanceOpen Source Infrastructure for the Financial Internetteam of 33hiringActiveDevtools
inaiSegment for global paymentsteam of 14acquiredAcquiredOther
ExaWeb search rebuilt for LLMsteam of 75ActiveAI, Data, Devtools
PylonInfrastructure management software for water & electricity companiesteam of 72ActiveDevtools
AnakinOne API to get clean data from any website for your AI agents at scaleteam of 70ActiveAI, Data, Devtools
NomodThe UAE’s leading small business payments platformteam of 68ActiveOther
AlephOne source of truth for financial data.team of 30hiringActiveOther
KodexEasiest way for companies to process data requests from governmentsteam of 30hiringActiveAI
KaiPod LearningA national network of microschools bringing school choice to every…team of 27hiringActiveOther
LagoThe AI Native Billing Platformteam of 27hiringActiveAI, Devtools
AmenliOffers insurance to customers in a convenient & transparent wayteam of 65ActiveOther
VerihubsAI-powered Deepfake Detectionteam of 63ActiveAI, Devtools
Aleph Solutions (Alephee)We help automotive aftermarket brands to supply and sell parts onlineteam of 60ActiveOther
CartpandaGlobal online sales platformteam of 60ActiveOther
DatloDatlo helps companies increase sales and expand through datateam of 60ActiveData
SwipeSuper AI Accountant for SMBsteam of 60ActiveAI
LuminateWe make cancer care at home possible.team of 55ActiveOther
Sensible BiotechnologiesUnlocking the next generation of mRNA medicinesteam of 55ActiveOther
AdaptyvWe're building fully automated labs for protein engineeringteam of 25hiringActiveAI
BolsterThe platform for buying, selling and managing residential constructionteam of 25hiringActiveOther
Charge RoboticsRobots that build solar farmsteam of 25hiringActiveOther
Mach9AI CAD Software for Civil Engineeringteam of 25hiringActiveAI, Devtools
MindFiTransforming Mental Health for Corporate Asiateam of 25hiringActiveAI
testRigorExecutable specifications in English for test automationteam of 25hiringActiveDevtools
AquaThe AI-Native Turnkey Alternative Investment Platform (TAIP)team of 23hiringActiveAI
GenomelinkDNA App Storeteam of 153 programsActiveOther
InstaKinFinancial Platform for Migrant Families in Americateam of 152 programsActiveOther
ArenguBuild frictionless signup flows in minutesteam of 10acquiredAcquiredDevtools
TablevibeDirect Ordering Software for Restaurantsteam of 10acquiredAcquiredOther
TarsalData pipeline for your security data lake.team of 10acquiredAcquiredData
FirstIgniteAI-Powered Business Development for Scientific Organizationsteam of 9acquiredAcquiredAI, Data
Protex AIComputer vision that makes the industrial workplace, saferteam of 52 programsActiveAI
InfinaLeading wealth management and investing platform in Vietnamteam of 50ActiveOther
MalgaMalga is an API to accept payments with multiple payment providersteam of 46ActiveOther
CarbonfactDecarbonizing the fashion industryteam of 45ActiveOther
SecodaSecoda is the AI layer for your Analyticsteam of 45ActiveAI, Data
NeodocsInstant lab tests on your smartphoneteam of 20hiringActiveAI
OneSchemaThe AI Cowork for big datateam of 20hiringActiveAI
Parallel BioUsing the immune system to cure diseaseteam of 20hiringActiveAI
ReploSell anythingteam of 20hiringActiveAI, Devtools
CloudthreadEliminate Cloud Waste. Attribute and Track Savings. Engage Engineers.team of 8acquiredAcquiredData, Devtools
Fingo AfricaA neobank for Africa's 500 million youthteam of 8acquiredAcquiredOther
Kapacity.ioReducing energy costs & emissions in buildings.team of 7acquiredAcquiredOther
MableFirst personalized migraine clinic using genetics and telehealth.team of 7acquiredAcquiredOther
MonetPayroll-backed loans and cash advances in Latamteam of 42ActiveOther

About S21

Every company, one tile each

By category

S21 by category

Where are they now

S21 by status

Top tags in S21

  • Fintech81
  • Developer Tools33
  • Marketplace33
  • E-commerce26
  • Consumer Health Services21
  • Machine Learning20
  • Climate19
  • Education18
  • Biotech15
  • Healthcare14