391 家 YC 公司 (S21 期 - Summer 2021)

Y Combinator 的 Summer 2021 期 (S21) 包含本目录中的 391 家公司。以下是所有公司：业务介绍、所在地、当前状态，以及重建的 YC 申请链接，以便您可以阅读 S21 的创始人如何在获得录用前描述他们的公司。

最后更新于 2026年9月28日

申请 YC？W27（Winter 2027）的申请截止日期是 2026年11月2日。查看 YC 申请截止日期指南

公司: 391
顶级行业: B2B, Fintech and Healthcare
顶级地点: San Francisco, New York and London

391 份重建申请

阅读全部 391 家公司的 YC 申请

所有公司的 YC 申请，已按原样重建
按行业、国家和团队规模筛选所有期别
然后找到投资你这类初创公司的投资人

打开 YC Insights

前 100 家公司，按顶尖公司排序

#公司批次总部状态申请

1

AbatableCarbon markets platform and solutionsSummer 2021London, England, United KingdomActive

2

AbbotYour Customer Success Co-PilotSummer 2021San Francisco, CAInactive

3

AbhiAbhi is Pakistan's 1st financial wellness platform focusing on…Summer 2021Sindh, PakistanActive

4

AbstraAutomate finance operations with Python and AISummer 2021Rio de Janeiro, RJ, BrazilActive

5

AdaptyvWe're building fully automated labs for protein engineeringSummer 2021Lausanne, VD, SwitzerlandActive

6

AdniAI career platform for healthcare workersSummer 2021San Francisco, CAActive

7

AdravisionAutomation for dental clinics and insurance companies.Summer 2021Singapore, SingaporeActive

8

Advantage ClubGlobal platform for employee engagement with rewards&flexible benefitsSummer 2021Gurugram, HR, IndiaActive

9

AerCompound compliance: the central hub for meeting SEC obligationsSummer 2021New York, NYAcquired

10

Affogato AIAffogato AI - Your Agent for instant TikToks, Reels, and ads.Summer 2021San Francisco, CAActive

这是 10 / 391。

下面每家公司都在 YC Insights 中重构了其 YC 申请。创建免费账户即可阅读全部内容。

阅读全部 391 份申请

11

AgapéFeel close, even when apart. One meaningful conversation at a time.Summer 2021Rochester, NYActive

12

AhazouPodium for local businesses in LatamSummer 2021São Paulo, SP, BrazilActive

13

AI Tech PacksBuild factory ready tech packs in minutes.Summer 2021Los Angeles, CAActive

14

AkudoIndia's first learning-focused neobank for teenagersSummer 2021Bengaluru, KA, IndiaInactive

15

Akute HealthThe medical record & infrastructure stack for digital health companiesSummer 2021Austin, TXActive

16

AlephOne source of truth for financial data.Summer 2021New York, NYActive

17

Aleph Solutions (Alephee)We help automotive aftermarket brands to supply and sell parts onlineSummer 2021Buenos Aires, CABA, ArgentinaActive

18

AlgofiBuilding the new financial systemSummer 2021Inactive

19

AlgoUniversityBuilding Job driven Virtual Tech University for India 🇮🇳Summer 2021Hyderabad, Telangana, IndiaActive

20

AlgoViralWe help high-growth startups go viral on autopilotSummer 2021London, United KingdomActive

21

AmenliOffers insurance to customers in a convenient & transparent waySummer 2021Cairo, Cairo Governorate, EgyptActive

22

AnakinWe automate pricing for eCommerce and on-demand service companiesSummer 2021San Francisco, CAActive

23

Ananya HealthPortable cryoablation to prevent cervical cancerSummer 2021San Francisco, CAActive

24

AncanaMarketplace to buy managed vacation homes through fractional ownershipSummer 2021Mérida, Yuc., MexicoActive

25

AOA DxBlood Test for Early Detection of Ovarian CancerSummer 2021Denver, COActive

26

ApolloThe card that rewards you with stockSummer 2021San Francisco, CAInactive

27

AppXAppX helps social media creators launch their own mobile apps.Summer 2021New Delhi, DL, IndiaActive

28

AquaThe AI-Native Turnkey Alternative Investment Platform (TAIP)Summer 2021New York, NYActive

29

ArchbeeTURN STATIC DOCS INTO INSTANT ANSWERSSummer 2021Bucharest, Bucharest, RomaniaActive

30

ArenguBuild frictionless signup flows in minutesSummer 2021A Coruña, GA, SpainAcquired

31

ARQThe global financial platform for affluent consumers in the Americas.Summer 2021London, United KingdomActive

32

ArrowModern Checkout Platform for D2C brands in Southeast AsiaSummer 2021Singapore, SingaporeActive

33

ArtilleryThe complete production quality platform. AI-powered E2E testing,…Summer 2021Limerick, County Limerick, IrelandActive

34

aSimBuild and share apps with friendsSummer 2021Seattle, WAActive

35

Astek DiagnosticsOne-hour antibiotic sensitivity testingSummer 2021Baltimore, MDActive

36

AtlasOperating system for restaurants, focusing on Southeast AsiaSummer 2021Singapore, SingaporeActive

37

AtmanaApps to control technology addictions/ helping startups hire engineersSummer 2021Dubai, Dubai, United Arab EmiratesActive

38

AviatorGoogle-level engineering productivity suiteSummer 2021San Francisco, CAActive

39

AwesomicGet matched with top 1% of talents in 24hSummer 2021San Francisco, CAActive

40

BarakaGrow Your Wealth With BarakaSummer 2021Dubai, United Arab EmiratesActive

41

BaubapSmart micro financing for everyoneSummer 2021Mexico City, CDMX, MexicoActive

42

BeauWorkflows for repetitive customer-facing tasksSummer 2021Barcelona, CT, SpainActive

43

BeeperOne chat app to rule them allSummer 2021Palo Alto, CAAcquired

44

BirdieConnect LinkedIn to your CRM to automate and track LinkedIn outreach.Summer 2021San Francisco, CAActive

45

Bite NinjaRemote labor for restaurantsSummer 2021Memphis, TNActive

46

BlackOakTVA video subscription platform serving black viewers and creators.Summer 2021New York, NYInactive

47

BlixoAccounts receivable automation to help companies get paid fasterSummer 2021Miami, FLActive

48

BLUUMBIOWe make bacteria and plants that clean up pollution.Summer 2021San Francisco, CAActive

49

BoldVoiceSpeech and accent coaching app for non-native English speakersSummer 2021New York, NYActive

50

BolsterThe platform for buying, selling and managing residential constructionSummer 2021Calgary, AB, CanadaActive

51

Breadcrumbs.ioNo-code scoring engine identifying your most engaged upsell oppsSummer 2021San Francisco, CAAcquired

52

BreeChime for Canada, starting with cash advancesSummer 2021Vancouver, BC, CanadaActive

53

BriteSoftware that helps employees pick their employee benefits.Summer 2021Salt Lake City, UTActive

54

Buoyant AeroBringing back blimpsSummer 2021New York City, NYActive

55

Buró de IngresosThe Work Number for LatAmSummer 2021Mexico City, CDMX, MexicoActive

56

BuzzleAutomatic voice-of-customer trends & metrics from sales conversations.Summer 2021Philadelphia, PAInactive

57

Byte KitchenIncreasing restaurant profitability through our AI Operating SystemSummer 2021San Mateo, CAAcquired

58

BytebotBytebot is the open source container for AI desktop agents.Summer 2021Boston, MAAcquired

59

CabalPrivate workspace for founders, investors, and advisors to collaborateSummer 2021New York City, NYActive

60

CacheOnline convenience stores fulfilled by tiny, automated dark stores.Summer 2021San Francisco, CAInactive

61

CaféYour Workplace Engagement HubSummer 2021Paris, Île-de-France, FranceActive

62

Caire HealthSemi-Autonomous Diagnostics for Emergent CareSummer 2021FLActive

63

CanopiAPI to measure and eliminate carbon emissionsSummer 2021San Francisco, CAInactive

64

CarbonfactDecarbonizing the fashion industrySummer 2021Paris, Île-de-France, FranceActive

65

CareeristLearning platform for job seekers with job applications automationSummer 2021Sunnyvale, CAActive

66

CartpandaGlobal online sales platformSummer 2021São Paulo, SP, BrazilActive

67

Catena BiosciencesUsing protein coupling to build new therapiesSummer 2021Berkeley, CAActive

68

CellChorusThe dynamic single-cell analysis companySummer 2021Houston, TXActive

69

CeroAutomated communication between hospitals and patients in LatamSummer 2021Santiago, Santiago Metropolitan Region, ChileActive

70

Charge RoboticsRobots that build solar farmsSummer 2021Oakland, CAActive

71

ChariB2B e-commerce and fintech platform for traditional proximity storesSummer 2021Casablanca, Casablanca-Settat, MoroccoActive

72

ChipaxQuickbooks for SMBs in LatamSummer 2021Santiago, Santiago Metropolitan Region, ChileActive

73

CloudanixCloud and Container Security PlatformSummer 2021Sunnyvale, CAActive

74

CloudthreadEliminate Cloud Waste. Attribute and Track Savings. Engage Engineers.Summer 2021San Francisco, CAAcquired

75

CoastDemo Platform for API-First CompaniesSummer 2021New York, NYActive

76

CococartEmpowering local businesses to sell online.Summer 2021Singapore, SingaporeActive

77

CoinruleCoinrule Automates Your Crypto and Stock InvestmentsSummer 2021London, England, United KingdomActive

78

CoLoopAI Copilot for insights & strategySummer 2021London, England, United KingdomActive

79

Comet HealthDigital platform for pelvic floor physical therapySummer 2021Palo Alto, CAInactive

80

CommeryMarketplace to lease commercial real estateSummer 2021New York, NYInactive

81

Concord MaterialsAutomating procurement and finance for construction companiesSummer 2021New York, NYActive

82

ConfidoAI-enabled financial automation and intelligence for CPG BrandsSummer 2021New York, NYActive

83

ContalinkWe help Accountants automate work and serve their customers onlineSummer 2021Monterrey, N.L., MexicoActive

84

ContraForceSecurity Delivery Platform to orchestrate AI agents for Service…Summer 2021McKinney, TXActive

85

Coulomb AIBattery Observability Platform for Electric VehiclesSummer 2021Bengaluru, KA, IndiaActive

86

CovieProgrammatic building blocks for transacting with insuranceSummer 2021Austin, TXInactive

87

CrewNext Gen ATS/CRM for Modern Recruitment AgenciesSummer 2021Paris, Île-de-France, FranceActive

88

CumbucaBare-metal access to Brazil's Open Finance and Pix systemsSummer 2021São Paulo, SP, BrazilActive

89

CustomilyMaking it easy to sell personalized products online.Summer 2021St. Louis, MOActive

90

DailybotMake all team work visible - people and AI agentsSummer 2021Remote, ORActive

91

DatloDatlo helps companies increase sales and expand through dataSummer 2021Maringá, PR, BrazilActive

92

DeedMaking it easy for employees to donate and volunteer with good causes.Summer 2021New York, NYAcquired

93

DeskimoWorkspaces on demand, paid by the minute.Summer 2021Singapore, SingaporeActive

94

DigiBuildWe buy & track building materials for construction companies.Summer 2021Miami, FLActive

95

DigistainPioneering Breast Cancer Diagnostics for a Healthier TomorrowSummer 2021London, England, United KingdomActive

96

DimeInstant E2E tests for your websiteSummer 2021San Francisco, CAInactive

97

DotChat with your Data WarehouseSummer 2021Berlin, Berlin, GermanyActive

98

Dots 💸Developer friendly drop in payouts infrastructureSummer 2021San Francisco, CAActive

99

DoubleWe make software for bookkeepers.Summer 2021New York, NYActive

100

Echoes HQMeasure and communicate engineering activitySummer 2021Amsterdam, NH, NetherlandsActive

剩下的 291 家公司

此列表中的其余公司，按 A-Z 排序。每个链接都会打开公司的公开页面。

Encuadrado Endla Enerjazz Enso Epinoma Epsilon3 Equipt Health Evidence Evidently AI Exa Examedi FastFarma Female Invest Ferveret Filadd Filta Fingo Africa FirstIgnite FirstQuadrant Fitia Float Floatpays Inc Flow Club Flowbo Flowly fluke Forage Forage Mail Formance Freterium FrontPage GamerPay Genomelink Genuity Geostar Glitzi Gobillion Goodkind Govly Harmonic Discovery Hedgehog Heimdal HEO Robotics Hera HeyCharge Hilos Hirebolt HitPay Hive Health hotglue Hudson Labs (formerly Bedrock AI)Humane Genomics Hyper Hyperbrowser Hypercontext Hypercore Hyperseed HyperTrader idemeum inai Infer Infina Infiuss Health Inflow Instacrops InstaKin Intellect Inversion Space Ivella Ivy Homes JABU Jestor Jovian Jupe KaiPod Learning Kalam Labs Kapacity.io Karbon Card Kaya Keyri Kindamagical Kiwi Biosciences Kodda Kodex Konta.com Koshex Kurios Lago lapzo Lariat Data Laudable Legion Health LemFi Level Levo Levro Lightly Litnerd Liv Labs Lobby Locale LootRush Luable Luminate Mable Mach9 MadEats Mailmodo Makani Science Malga Malloc Inc marketfeed Maroo MarqVision Matidor.com Matrubials Mecho Autotech Medium Biosciences Membo Mentorcam Mentum Mergent Meticulous Micro Meat Milky Way AI MindFi Mindmesh Mindstate Design Labs Mine Miniloop Mixr MobileBoost Momo Medical Monet Monto Moving Parts Nasdisc Nash Neodocs Nexus Nino Foods Noloco Nomod Novatr ODWEN Odys Aviation Okani Onebrief OneSchema OneShop OneStopKitchen Onfolk Onsite Pro Openlayer Opkit Orderli outloud.ai Output Biosciences Pactima PaletteHQ Palla Pandai Parallel Bio Patterns Payflow Payhippo PAYZE Perfekto Phykos Pide Directo Pideaky Pillar Pipekit Pirouette Pharma Plai Planet A Foods Pluggy Portão 3 Positional Potion Promakhos Therapeutics PropReturns Protego Protex AI Pylon Quest Redbean Reframe (Glucobit)RendaloMaq Replo Repool REPROSENT Revery AI Revolve Surgical Rinse Rivia.AI RMFG Rootly Ruta Health Ruth Health SafeBeat Safer Management SalaryBook SalaryBox Satsuma Scispot Scratch Data Secoda SenpAI.GG Sensible Biotechnologies Sentiyen Sequin SFA Therapeutics Shape Shimmer ShipBlu Siglo SigmaOS Sirka Sitenna Slash Sleek Slope SnapCalorie Soco SolarMente Spark Studio Spoken Sproutfi Squire.ai Stardex Stepful Stipop Storylane Stownest StrideQ Strive Math StudyStream Sully.ai Superwall Suplias Swipe Synder Tablevibe TAG Talentdrop Talus Bio Tarsal Tavus Telivy Telmai Tenyks testRigor The Breakaway Therify Titipku Toku TrackChain TransAstra Corporation trii Truss Tuli Health Turion Space Union54 V-Flow Medical Varos VedaBio Verano Health Verde Verihubs Vibe Kanban Vinco VitalStrata Vogent Wabi WarpBuild Warpfy Warrant Waterplan Whalesync Whaly Writesonic Yemaachi Biotechnology Yummy Zage Zaz OS Zeit Medical Zen Zensors Zoios.Zuma

正在申请 YC？先研究一下这些申请。

YC Insights 拥有本页面上每家公司重构的申请，可按批次、行业和国家筛选，旁边还有 60,000 多名投资人，他们会投资像您一样的初创公司。

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关于此列表

此列表是 Round Funded 的一部分，Round Funded 是一个面向创始人的投资人数据库和外联平台。它包含 60,000+ 位活跃的 VCs、天使投资人、家族办公室和加速器，并提供经过验证的联系方式，让您可以通过自己的 Gmail 发送 pitch，并且包含免费的数据室用于您的融资。这些数据是如何构建的。

常见问题解答

目录中有多少 Y Combinator 公司在第 Summer 2021 期？

本目录列出了第 Summer 2021 期中的 391 家 YC 公司，是自 2005 年以来所有批次公司总数 6,207 家中的一部分。目录刷新时计数会更新，所有这些公司都在本页面上，并附有其公开个人资料的链接。

这些页面上的 YC 申请是真实的吗？

否。YC 会将提交的申请保密。此列表链接的每份申请都是重构的：根据公司的公开数据回答了真实的 YC 表格问题。每页的“公司”部分免费提供；其余部分在 YC Insights 中打开。

申请 YC 时如何使用此列表？

选择此页面上五家产品与您最接近的公司，在 YC Insights 中并排阅读它们重构的申请，并注意它们如何回答相同的问题。然后，为您自己写出这些标准问题的答案。

这些数据从何而来？

来自 YC 的公开公司目录，按批次刷新，包含 YC 报告的公司状态、行业和地点。Round Funded 添加了重构的申请和创始人资料；不发布任何私密信息。

什么是 Round Funded？

Round Funded 是一个面向初创公司创始人的投资人数据库和外联平台。它列出了 60,000+ 活跃投资人的可验证联系方式，并根据近期投资活动进行筛选，让创始人可以从自己的 Gmail 发送个性化路演、跟踪回复，并共享免费的数据室。Round+ 起价为每月 $99，提供 3 天试用。

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