2021 YC Top Companies List

What it does

The companies are sorted by valuation as of January 2021, including YC companies that have been acquired or gone public. There are now more than 125 YC companies valued at $150M+ and more than 25 companies at $1B+.

A list of companies YC has funded across many verticals including hardware, edtech, biotech, healthcare, developer tools, consumer and enterprise, to name a few.

• 
  Y Combinator Top Companies List - 20182018 · ycombinator.com · ▲7

  Top 100 YC companies by valuation, as of October 2018

• 
  Y Combinator Companies2016 · ycombinator.com · ▲454

  Interactive list of all 1000+ YC companies

• 
  YC Directory2020 · ycombinator.com · ▲397

  Discover YC companies

• 
  Companies Market Cap2021 · companiesmarketcap.com · ▲74

  The "CoinMarketCap" for companies

• 
  What YC Is Really Betting On?Feb 2026 · yc-trends.vercel.app · ▲170

  An X-ray of 793 YC startups

• 
  Mattermark Valuations2015 · info.mattermark.com · ▲210

  Access to valuations for more than 40,000 companies

• 
  SimCity, but with Permits▲930

  A free city-building game in your browser. You are the mayor. You know what the city needs. Now get it past the zoning board, the neighbors, the appeals court and the next election.

  Life & fun · 2d ago · permit.petercai.com

• IV
  I've been paying for a rural Tanzanian's education for 10 years▲778

  Life & fun · 15d ago · tanzaniaeducationproject.org

• 
  Bigwords.page – Turn any screen into a sign. The URL is the app▲728

  Turn a phone, tablet or TV into a sign. Type a message and it fills the screen: welcome signs, timers, Wi-Fi passwords and more. No app, no account, free.

  Life & fun · 16d ago · bigwords.page

• 
  Guitoro, a virtual guitar you strum with your keyboard▲573

  Play a free virtual guitar online with your keyboard or by touch. Slow songs down and see every chord, string and strum. Acoustic, classic, electric and bass.

  Life & fun · 9d ago · guitoro.com

• 
  See *almost* any carriers phone settings▲432

  Carrier settings from iPhone, Pixel and Galaxy firmware, decoded and compared: APNs, VoLTE, 5G and Wi-Fi Calling per carrier, and what each build changed.

  Life & fun · 13d ago · carrierexplode.com

• 
  The whole Solar System and every tracked satellite, live in the browser▲407

  Life & fun · 23d ago · space.bl2.net

• 
  SavvyCal▲1,132

  Sending your scheduling link shouldn't feel weird.

  Work · 2021 · savvycal.com

• 
  Beeper – All Your Chats in One App▲962

  Get the most popular messaging services, all in a single app. WhatsApp, Signal, Instagram, Telegram, and more.

  Life & fun · 2021 · beeperhq.com

• IM
  I made an alternative platform for professional profiles▲938

  Life & fun · 2021 · read.cv

• 
  Pages by Headlime▲754

  AI-powered landing page builder (GPT-3 + Tailwind)

  AI · 2021 · headlime.com

• 
  I shot high-res stitched panoramas in Iceland using a thermal camera▲753

  A computer vision engineer by day and photographer by night, I never take the path most traveled, especially when it comes to imaging technology. Thermal

  Life & fun · 2021 · petapixel.com

• 
  I built an online interactive course that helps you learn Vim faster▲667

  Learn vim fast by building muscle memory. 2000+ engineers learned vim with our hands on training. Train your fingers, master vim commands!

  Life & fun · 2021 · vim.so