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YC Winter 2010 (W10)

27 companies Y Combinator lists for Winter 2010, with what each one builds.

Companies
27
AI share
Not enough tags yet
Top sector
Engineering, Product and Design
6 companies
Second
Retail
4 companies

YC has tagged only 37% of this batch so far, so we don’t publish an AI share for it yet.

What’s in Winter 2010

Winter 2010 lists 27 companies so far (S09 had 26). The biggest themes by YC's tags are Marketing (3), Video (3), Media (2), API (1) and Data Visualization (1). The largest sectors are Engineering, Product and Design, Retail, Content and Marketing. 4% are based outside the US.

  • Marketing · 3
  • Video · 3
  • Media · 2
  • API · 1
  • Data Visualization · 1

See what YC asked founders to build · Breakout themes across batches

All Winter 2010 companies

27 companies

  • Optimizely

    The first all-in-one operating system for marketing

    Engineering, Product and Design1500San Francisco, CA, USAAcquired
  • 500Friends

    the best loyalty and retention marketing partner for CMOs.

    Retail51San Francisco, CA, USAAcquired
  • All Screen

    Connecting users with engaging video content across the web.…

    Marketing11Los Angeles, CA, USAAcquired
  • Answerly
    Content11San Francisco, CA, USAInactive
  • Bitplay

    Effortless Video Meetings - Acquired by Jive Software in 2013

    Social2San Francisco, CA, USAAcquired
  • Cardpool
    Home and Personal251San Francisco, CA, USAAcquired
  • Creative Market

    Marketplace for graphic design assets

    Engineering, Product and DesignSan Francisco, CA, USAAcquired
  • Crocodoc

    Embed PDFs, PowerPoints, and other documents into web and mobile apps

    Engineering, Product and DesignSan Francisco, CA, USAAcquired
  • Cue
    Home and Personal11San Francisco, CA, USAAcquired
  • Data Marketplace
    Analytics2San Francisco, CA, USAInactive
  • Embedly
    Engineering, Product and Design2Boston, MA, USAAcquired
  • Etacts
    Sales2San Francisco, CA, USAAcquired
  • Fabricly
    Retail2New York City, NY, USAInactive
  • Fithub
    RetailInactive
  • Gamador
    Gaming2San Francisco, CA, USAInactive
  • Infoharmoni
    Marketing2San Francisco, CA, USAInactive
  • LaunchHear

    LaunchHear was a startup attempting to make PR scale in the same way…

    Operations2San Francisco, CA, USAInactive
  • Mertado
    Retail1San Francisco, CA, USAAcquired
  • Mixed Media Labs
    ConsumerInactive
  • Movity

    Real estate data visualization. Sold to Trulia Dec…

    Housing and Real Estate2San Francisco, CA, USAAcquired
  • Newcope
    Gaming2San Francisco, CA, USAInactive
  • Newslabs
    Engineering, Product and Design2Dublin, County Dublin, IrelandInactive
  • Notifo
    Engineering, Product and Design2San Francisco, CA, USAInactive
  • Nowmov
    ContentSan Francisco, CA, USAAcquired
Summer 2009Summer 2010

Source: Y Combinator’s public company directory. Each company links to its YC profile. See how we count and what YC asked founders to build.

Frequently asked questions

How many companies are in YC Winter 2010?

Y Combinator's public directory lists 27 companies for Winter 2010 (W10), compared with 26 in Summer 2009. YC adds companies as they launch, so a recent batch can still grow.

What kind of startups are in YC Winter 2010?

The most common themes by YC's own tags are Marketing (3), Video (3), Media (2), API (1) and Data Visualization (1). The largest sectors are Engineering, Product and Design, Retail, Content and Marketing. YC has tagged only 37% of the batch so far, so we don't publish an AI share yet.

Where are YC Winter 2010 companies based?

4% of Winter 2010 companies with a listed location are based outside the US.