Cohorts of 2021
Companies whose accelerator cohort started in 2021. 1,685 companies.
| Company | Cluster | Program | Status | Last signal |
|---|---|---|---|---|
| Unfurl A virtual food hall that delivers | Commerce and marketplacesMulti-brand food delivery platform | Y CombinatorW21 | Inactive | checked 2026-08-23 |
| Unschool Learn, Intern and become Industry-Ready | Consumeronline education marketplace for students | Y CombinatorW21 | Site unreachable | checked 2026-08-17 |
| unSurveyAI AI-led market research interviews, no scheduling, instant insights. | Vertical AI agentsAI market research automation | Y CombinatorW21 | Acquired | checked 2026-08-17 |
| UPchieve Connecting low-income HS students with free, 24/7 online tutoring | ConsumerFree online tutoring marketplace | Y CombinatorW21 | Active | checked 2026-08-23 |
| Valink Therapeutics Discovering bispecific antibody drug-conjugates (BsADC) against cancer | Healthcare and biobispecific antibody drug discovery | Y CombinatorW21 | Active | checked 2026-08-23 |
| VapiAI Voice AI for developers. | Agent infrastructureVoice AI infrastructure for developers | Y CombinatorW21 | Active | checked 2026-08-23 |
| Veera Health We treat women with Polycystic Ovary Syndrome in India | Healthcare and bioPCOS care delivery platform | Y CombinatorW21 | Active | checked 2026-08-23 |
| Vendease Where restaurants in Africa buy food supplies | Commerce and marketplacesB2B food supply marketplace | Y CombinatorW21 | Active | checked 2026-08-23 |
| Venu AIAI Meet qualified leads in person by automating conference production | Vertical AI agentsAI-automated conference production for sales | Y CombinatorW21 | Active | checked 2026-08-23 |
| Verak Better Business Insurance for MSMEs in India | FintechInsurance for MSMEs | Y CombinatorW21 | Acquired | checked 2026-08-17 |
| Version Story Compare Git for Lawyers — now within Claude | Security and complianceLegal document version control | Y CombinatorW21 | Active | checked 2026-08-23 |
| Voosh Making Restaurants more data-driven! | B2B SaaSRestaurant analytics and BI | Y CombinatorW21 | Active | checked 2026-08-23 |
| Wasp Configuration language for building enterprise web apps 10x faster | Developer toolsWeb app development framework | Y CombinatorW21 | Active, new domain | 2026-08-23 |
| Waydev Engineering intelligence for AI transformation | Developer toolsengineering analytics and DORA metrics | Y CombinatorW21 | Active | checked 2026-08-23 |
| Waypoint The email API built for product teams | Developer toolsEmail infrastructure API for developers | Y CombinatorW21 | Active | checked 2026-08-23 |
| Webiny Open-source framework for building serverless applications | Developer toolsServerless application framework | Y CombinatorW21 | Active | checked 2026-08-24 |
| WeekdayAI AI recruiter that runs outbound sourcing campaigns to find top talent | Vertical AI agentsAI recruiting and talent sourcing | Y CombinatorW21 | Active | checked 2026-08-23 |
| weweb.io WeWeb is a no-code front-end builder that connects with any back-end. | Developer toolsno-code frontend builder | Y CombinatorW21 | Active | checked 2026-08-23 |
| Worksphere Manage your hybrid workplace | B2B SaaSHybrid workplace management | Y CombinatorW21 | Acquired | checked 2026-08-17 |
| Wyndly Life's better without allergies | Healthcare and bioTelehealth allergy immunotherapy | Y CombinatorW21 | Active | checked 2026-08-23 |
| YourQuote YourQuote is India's largest writing platform | Consumersocial writing platform | Y CombinatorW21 | Inactive | checked 2026-08-17 |
| Z1 Digital bank for teenagers in LatAm connected to prepaid card | FintechDigital banking for teenagers | Y CombinatorW21 | Active | checked 2026-08-23 |
| Zealth Software for remote monitoring of cancer patients | Healthcare and bioremote cancer patient monitoring | Y CombinatorW21 | Active | checked 2026-08-23 |
| Zepto 10-Minute Grocery Delivery in India | Commerce and marketplacesQuick commerce logistics platform | Y CombinatorW21 | Active | checked 2026-08-23 |
| Ziina A digital wallet for the Middle East & North Africa | FintechDigital wallet for MENA | Y CombinatorW21 | Active | checked 2026-08-23 |
| zingbus Platform for bus travel across Indian cities | Commerce and marketplacesB2B bus operator marketplace | Y CombinatorW21 | Active | checked 2026-08-23 |
| ZOKO Better Business on WhatsApp | Commerce and marketplacesWhatsApp commerce for Shopify | Y CombinatorW21 | Active | checked 2026-08-23 |