Y Combinator · W20
Y Combinator Winter 2020 startups
RemJobs lists 134 startups from Y Combinator's Winter 2020 batch. 73 of the 134 startups are based in the United States, and 40 in San Francisco. Between them they are in 20 countries and 49 cities. 17 are hiring remotely.
Updated
- startups
- 134
- countries
- 20
- cities
- 49
- hiring remotely
- 17
Winter 2020 startups
- CortexYC W20Cortex is an internal developer portal built to accelerate the path to engineering excellence. Companies like Xero, Canva, and TripAdvisor use Cortex to catalog, score, and… Remote: Worldwide
- AirbyteYC W20Airbyte is the open-source data integration platform: ELT pipelines into any warehouse, a context layer for AI agents, and 600+ connectors behind both. San Francisco, United States Remote: Canada, United States
- OpheliaYC W20Get private, evidence-based opioid use disorder treatment at home. Video visits, local pharmacy pickup for Suboxone if eligible, and support 7 days a week. New York City, United States Remote: United States
- VoriYC W20Vori offers a modern operating system designed for the grocery industry. VoriOS helps independent and regional grocers streamline their inventory management, ordering, and… San Francisco, United States Remote: United States
- PostEraYC W20PostEra is building a modern 21st century biopharma. We're using our advances in machine learning to accelerate Medicinal Chemistry and bring more cures to patients. PostEra… Remote: United States
- StableYC W20📬 Stable is a virtual address & mailroom for startups, and the only solution on the market that guides you through switching your business address compliantly - 🏢 1 permanent… San Francisco, United States Remote: United States
Members only
128 more W20 startups
Unlock the full list, every company on the map, and their founders, emails, LinkedIn and careers pages.
Where they are
20 more in other countries or with no known location
Hiring remotely
17 startups from W20 had at least one open remote role when their job boards were last read, 68 remote roles between them.
Other batches
Questions
How many startups are in Y Combinator's Winter 2020 batch?
RemJobs lists 134 startups from the Winter 2020 batch (W20) as of Oct 2, 2026, including Cortex, Airbyte, Ophelia, Vori and PostEra. The count covers the companies we have found, which may be fewer than the batch itself.
Where are Y Combinator Winter 2020 startups based?
73 of the 134 startups are based in the United States, and 40 in San Francisco. Between them they are in 20 countries and 49 cities. By country: United States (73), India (12), Canada (8), Mexico (6) and Brazil (5).
Which W20 startups are hiring remotely?
17 startups had open remote roles when their job boards were last read, 68 remote roles between them, including Cortex, Airbyte, Ophelia, Vori and PostEra.
Can I contact the founders of W20 startups?
Each company has a free public profile. 17 of them have founder names on file, and members see the founders, their emails where found, LinkedIn and careers pages, and every company on the map.
Companies come from public sources: their own websites, public startup directories and accelerator portfolios, and their public job boards (Greenhouse, Lever, Ashby), which were last read through Oct 2, 2026. A company that is missing or out of date can write to us from the footer.