YC Summer 2009 (S09)
26 companies Y Combinator lists for Summer 2009, with what each one builds.
- Companies
- 26
- AI share
- Not enough tags yet
- Top sector
- Social
- 3 companies
- Second
- Consumer Electronics
- 2 companies
YC has tagged only 57.7% of this batch so far, so we don’t publish an AI share for it yet.
What’s in Summer 2009
Summer 2009 lists 26 companies so far (S08 had 22). The biggest themes by YC's tags are Marketplace (4), Fintech (2), Recommendation System (2), Analytics (1) and Automotive (1). The largest sectors are Social, Consumer Electronics, Content and Engineering, Product and Design. 4.2% are based outside the US.
- Marketplace · 4
- Fintech · 2
- Recommendation System · 2
- Analytics · 1
- Automotive · 1
See what YC asked founders to build · Breakout themes across batches
All Summer 2009 companies
26 companies
- Mixpanel
Mixpanel is event analytics for builders that need answers.
Analytics410San Francisco, CA, USA - Stripe
Economic infrastructure for the internet.
Fintech7000San Francisco, CA, USA - WePay
Payments for platform businesses.
Payments400San Francisco, CA, USAAcquired - MarketingInactive
- Bump
Bump, Flock, Photoroll (unreleased) => Google Photos
Social30San Francisco, CA, USAAcquired - CarWoo
The best way to buy a new car.
Transportation Services11San Francisco, CA, USAInactive - Social2San Francisco, CA, USAAcquired
- Directed EdgeAI
Product recommendations.
Home and Personal2San Francisco, CA, USA - Fanchatter
FanChatter aggregates, amplifies and empowers fan content on every…
Marketing11Minneapolis, MN, USAInactive - Travel, Leisure and Tourism2San Francisco, CA, USAAcquired
- GraffitiGeo
We let you know where to go and what to get once you get there.…
Content2San Francisco, CA, USAAcquired - HighlightCam
HighlightCam edits video, automatically!
Content11San Francisco, CA, USAInactive - Retail2San Francisco, CA, USAInactive
- Job and Career Services11San Francisco, CA, USAInactive
- Lingt
Lingt provided a web-based platform for learning languages leveraging…
Education2San Francisco, CA, USA - Listia
Mobile marketplace for trading used goods.
Home and Personal6San Francisco, CA, USA - Lockitron
Lockitron makes electronic locks you can control locally from your…
Consumer Electronics11San Francisco, CA, USAAcquired - NudgePad
Online IDE. We joined Microsoft in 2014.
Engineering, Product and Design2San Francisco, CA, USAInactive - OlarkAI
Olark gives you an AI agent that works your marketing funnel 24/7
Retail15San Francisco, CA, USA - Social2San Francisco, CA, USAInactive
- RentHop
Apartment rental marketplace
Housing and Real Estate9New York City, NY, USA - RethinkDB
The open source database for the realtime web.
Infrastructure11San Francisco, CA, USAAcquired - Human ResourcesSan Francisco, CA, USAInactive
- Engineering, Product and DesignInactive
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.