YC W21 Startups
Every Y Combinator Winter 2021 company we currently index — part of the latest YC companies rollup.
About YC W21
The Y Combinator W21 batch (Winter 2021) brought 278 tech startups into our index. This page lists every W21 company we currently track, with logos, taglines, and links straight to their own sites — no paywalled middleman. Notable W21 companies include Gigs, Humaans, Jiga, Phoenix, and Vapi. Each profile surfaces team size, founding year, location, and open roles when their careers page is publicly scrapable. The W21 cohort skews toward Dev Tools, AI / ML, and Fintech — common patterns we see in this batch. Recurring tags across these companies: SaaS, B2B, Fintech, Artificial Intelligence, Developer Tools. The directory's filter UI accepts any of them as a query. Geographically, the W21 batch we have leans toward San Francisco, New York City, and Bengaluru, with the rest spread across remote-first teams and other hubs. 5 of these are currently flagged as trending based on momentum signals; and the listing refreshes whenever the scrape runs, so changes propagate without a manual edit.
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Similar startups outside YC W21
1 of 4 similar companies is hiring right now · most common: Design
Other YC batches
Frequently asked questions
What is the YC W21 batch?
W21 is the Y Combinator batch code for the Winter 2021 cohort. Companies joining a YC batch go through a 3-month program in California and demo their product at the end. techstartupslist.com indexes 278 tech startups from this batch.
How many companies are in YC W21?
Our index currently tracks 278 active tech startups from the YC W21 batch. New companies appear here automatically when our daily scraper finds them; companies that shut down are flagged inactive and hidden from listings.
Which companies graduated from YC W21?
Among the W21 companies indexed here: Gigs, Humaans, and Jiga, and 275 more on this page. Click any profile for category, team size, founding year, and open roles.
Where can I find open jobs at YC W21 startups?
Open roles from indexed W21 companies appear on our /jobs page, aggregated alongside roles from other indexed startups. Each role links directly to the company's official application page.
How often is the YC W21 page updated?
Automated scrapers refresh this page daily. The last index update was 2026-09-02. Inactive companies fall out of the count automatically — we don't keep dead listings live.