ycombinator.com
Y Combinator
Who runs Y Combinator, what it tracks and what it costs, and the 20 closest startup accelerator alternatives.
- Who’s behind it
- Not stated
- Online since
- Unknown
- Trackers
- Prices
- No pricing page
- Last price change
- –
- Closest alternative
- Techstars
Measured from Y Combinator’s own pages, the Internet Archive and public records. Hover a dotted value for its source and date.
Visit Y Combinator01 · Who’s behind it
Who runs Y Combinator
Y Combinator ycombinator.com
Y Combinator created a new model for funding early stage startups. Four times a year we invest in a large number of startups.
Wikidata: American startup accelerator
- Company
- No imprint we could read
- Online since
- Not in the Internet Archive
- Audience
- In English
02 · Privacy
What Y Combinator tracks
What the homepage loads before you accept or decline cookies. A cookie banner should hold most of it back until you agree, and a tag manager can load more that we don’t see.
trackers that follow visitors
11 of the 17 alternatives below have fewer, 3 have more.
Privacy-friendly alternatives →- Cookie banner
- None found
- US company
- 4 tools
Visitor analytics
Counts and follows visits, usually with cookies.
Marketing and email tracking
Links visits to email campaigns and customer profiles.
Third-party embeds
Videos, maps or fonts from other companies, which receive the visitor’s IP address.
03 · Alternatives
Alternatives to Y Combinator
Thumbs up if it’s a real alternative to Y Combinator, thumbs down if it isn’t.
- 01
Techstars: the early-stage accelerator and investor
Techstars finds and funds ambitious founders through leading vertical and city accelerator programs.
Very close - 02
Antler | Where Founders Go Further, Faster
Antler is the world’s most active early-stage investor, backing exceptional founders from inception.
Very close - 03
500 Global | 500 Global
500 Global (formerly 500 Startups) is a venture capital firm with $2.0B¹ in AUM investing in founders with a global outlook building fast-growing startups.
Close - 04
Home | Sequoia Capital
We help the daring build legendary companies from idea to IPO and beyond.
Close - 05
Andreessen Horowitz | Software Is Eating the World
Andreessen Horowitz (a16z) is a venture capital firm in Silicon Valley, California, investing in bold founders, innovators, and entrepreneurs building the future through technology.
Close - 06
Dealroom.co | Intelligence for Tech Ecosystems
The global intelligence platform for startup ecosystems. Discover promising startups, track funding rounds, and map tech ecosystems globally.
Close - 07
Startup Jobs & AI Recruiting Platform | Wellfound
Wellfound is the AI recruiting platform and talent marketplace for startups. Post jobs free, deploy AI sourcing agents, or hire with a dedicated recruiter.
Close - 08
v0 by Vercel - Build Full-Stack Web Apps with AI
Your collaborative AI assistant to design, iterate, and scale full-stack applications for the web.
Close - 09
Flashbots
A research and development organization mitigating the negative externalities posed by MEV.
Close - 10
Stash | The Financial Advisor for Everyone
Meet the financial advisor for everyone. Stash gives you expert guidance, easy investing, and a clear plan for what to do next. All for $12/month.
Close - 11
Turn an Idea Into a Working App or Website with AI | Base44
Base44 is a no-code AI development platform that turns builders’ ideas into fully functional apps and websites — no coding required.
Close - 12
Discover and get early access to tomorrow's startups | BetaList
BetaList provides an overview of upcoming internet startups. Discover and get early access to the future.
Close - 13 Indie Hackers indiehackers.com
podcast
Close - 14
Where Creator Communities Thrive — Patreon
Build a community, share exclusive work, and turn your passion into a thriving business with Patreon. Get started today!
Close - 15
Welcome to Embraer
aircraft manufacturer in Brazil
Close - 16
product discovery website
Close - 17
AI based software to generate application code
Close - 18
Easy Investing App For Saving & Growing Your Money | Acorns
Acorns is a financial wellness app that helps individuals and families save, invest, and grow money automatically through simple, everyday habits.
Close - 19
Sketch · Design, prototype, collaborate and handoff
Sketch puts the focus back on you and your work. Made by designers, for designers.
Close - 20
Figma: The collaborative canvas for design, code, and AI
Figma is the canvas where design, code, and AI come together. From first idea to shipped product — go from concept to production with your whole team, in one place.
Close
Closest first, by how much each site’s offer resembles Y Combinator’s. Trackers are counted the same way as above. Highlighted technologies are ones Y Combinator uses too. Votes and comments come from visitors and don’t change the order.
04 · History
What changed
Price and policy history →No changes yet. Each new crawl is compared with the last one, and what Y Combinator adds, drops or rewrites shows up here.
05 · Details
How we measure
Alternatives are matched by what sites actually offer, from their homepages, Wikidata and a summary by Claude, in any language. Trackers and the rest of the stack come from the homepage’s code and DNS records.
The full technology stack, the competitor map and search numbers · 17 technologies
- Neighbours
- k = 20
- Sites searched
- 9,192
- Vector
- 384-d
- Query
- 89 ms
Competitor map
Each alternative by how close its vector is to Y Combinator’s (x) and how much traffic it gets, how much of the stack it shares, or where it sits in the embedding space itself (y). Hover for the numbers, click to jump to it in the list.
similarity × popularity
Built with
- Fonts
- Google Fonts asset https://fonts.googleapis.com/
- Analytics
- Google Analytics page source: google-analytics.com/analytics.js
- PostHog page source: posthog.init(
- Marketing automation
- Mailchimp TXT v=spf1 include:_spf.google.com include:mailgun.org a:rsweb1-36.invest…
- CDN
- Cloudflare header cf-ray: a56309eb1c83c0af-HAM
- Languages & backends
- Ruby on Rails page source: <meta name="csrf-param" content="authenticity_token"
- Site search
- Algolia page source: algoliasearch
- Maps
- Google Maps page source: maps.googleapis.com/maps/api/js
- Email hosting
- Google Workspace MX aspmx.l.google.com
- Microsoft 365 TXT MS=ms37374900
- Email delivery
- Mailgun TXT v=spf1 include:_spf.google.com include:mailgun.org a:rsweb1-36.invest…
- DNS hosting
- Amazon Route 53 NS ns-1914.awsdns-47.co.uk
- SaaS tools (verified in DNS)
- Apple Business TXT apple-domain-verification=WG0sP5Alm7N6h1Te
- Dropbox TXT dropbox-domain-verification=asc63coma4mv
- Google Search Console meta google-site-verification: 23YLYcfP-tmEiWdemh9h6Wi6DIxisMtUtcowUJBSvH0
- OpenAI TXT openai-domain-verification=dv-QbhxxK0G0JK0dnyZ4YTsNAfw
- Zoom TXT ZOOM_verify_2ndw8KZxSRa8PT8NmdyXvw
What competitors use
Across the 20 closest sites.
- Google Search Console 20/20
- Google Workspace 16/20
- Microsoft 365 11/20
- Cloudflare 11/20
- Atlassian · not on ycombinator.com 10/20
- OpenAI 10/20
- Cloudflare DNS · not on ycombinator.com 9/20
- Google Tag Manager · not on ycombinator.com 8/20
- Apple Business 7/20
- DocuSign · not on ycombinator.com 7/20
- Next.js · not on ycombinator.com 7/20
- React · not on ycombinator.com 7/20
- Stripe · not on ycombinator.com 7/20
- Zoom 6/20
- Adobe · not on ycombinator.com 6/20
- Notion · not on ycombinator.com 5/20