Cohorts of 2021
Companies whose accelerator cohort started in 2021. 1,685 companies.
clusterB2B SaaS 183Consumer 168Fintech 155Healthcare and bio 126Commerce and marketplaces 111Developer tools 68Climate and energy 66Vertical AI agents 66Robotics and physical world 59Security and compliance 34Other 28Data for AI 24Horizontal AI assistants 17Defense and space 15Agent infrastructure 13AI infra and compute 7
| Company | Cluster | Program | Status | Last signal |
|---|---|---|---|---|
| Xook | - | TechstarsTS 2021 | Active, new domain | 2026-08-23 |
| YieldX Solutions | - | TechstarsTS 2021 | Active | checked 2026-08-23 |
| yocto Co.,Ltd yoctoMat(ヨクトマット)®️で新しいヨガ体験を | ConsumerAI-powered yoga mat with form guidance | TechstarsTS 2021 | Active | checked 2026-08-23 |
| Yoona.aiAI yoona.ai | Enterprise Twin & Agentic AI Platform | Product Design | Vertical AI agentsAI product design and optimization | TechstarsTS 2021 | Active | checked 2026-08-23 |
| Younode Younode, Inc. - Create the Alternative. | ConsumerMusic social media and NFT platform | TechstarsTS 2021 | Active | checked 2026-08-23 |
| Zebracat AI video creation from text for marketers. | - | Entrepreneur FirstEF Berlin 2021 | Active | checked 2026-08-23 |
| Zenihub | - | TechstarsTS 2021 | Site unreachable | checked 2026-08-17 |
| Zerg AI AI for mission-critical work | - | South Park Commons | Active | checked 2026-08-23 |
| Zimbali Networks | - | TechstarsTS 2021 | Active | - |
| ZipLunch | - | TechstarsTS 2021 | Inactive | checked 2026-08-17 |
| Zirtue | Fintechbill-pay lending platform | TechstarsTS 2021 | Active | checked 2026-08-23 |
| Ziscuit Ziscuit | OtherFood tech startup | TechstarsTS 2021 | Active | checked 2026-08-23 |
| Zolnoi AI-first maintenance for manufacturers. | - | Entrepreneur FirstEF Bangalore 2021 | Active | checked 2026-08-23 |
| Zoog Bond Through Immersive Kids' Books and Songs | Consumerinteractive kids entertainment | TechstarsTS 2021 | Active | checked 2026-08-23 |