YC Summer 2009 B2B Startups
9 Y Combinator B2B companies from the Summer 2009 batch — with team size, status, and one-liner for every startup.
- Total
- 9
- Active
- 2
- Acquired
- 1
- Shut down
- 6
Y Combinator's Summer 2009 batch included 9 B2B startups. Of these, 2 remain active, 1 have been acquired, and 6 have shut down.
- Olark (28 people) — The best live chat software on the planet. We help you build…
- RethinkDB (11 people) — The open source database for the realtime web.
- Mixpanel (410 people) — Mixpanel is event analytics for builders that need answers.
- Fanchatter (11 people) — FanChatter aggregates, amplifies and empowers fan content on every…
- Instantq (2 people)
- RoboHR
- NudgePad (2 people) — Online IDE. We joined Microsoft in 2014.
- AdThrow
- Stackq
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