YC 7 startups
YC Winter 2009
Every company from Y Combinator's Winter 2009 batch.
Last updated
2026-09-02
↑ Trending
Airbnb
Book accommodations around the world.
MarketplaceTravel
Open Jobs 165
Team 6,132
Founded 2012
CL
Cloudkick
Cloudkick — B2B
Open Jobs —
Team 11
Founded 2012
Divvyshot
Divvyshot — Consumer
Open Jobs —
Team 2
Founded 2012
Echodio
Sync and stream your music across any device. Acquired in 2009.
Music
Open Jobs —
Team 2
Founded 2012
Heyzap
Heyzap (acquired by Fyber for $45m in 2016) is one of the largest…
Advertising
Open Jobs —
Team 11
Founded 2012
reMail
Email search for iPhone. Acquired by Google in Feb 2010.
Email
Open Jobs —
Team 1
Founded 2012
Volantio
Post-booking revenue and capacity optimization for airlines…
Airlines
Open Jobs —
Team 19
Founded 2012
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Supabase
Build in a weekend. Scale to millions.
Developer ToolsOpen SourceBig Data
Open Jobs 57
Team 120
Founded 2020
WA
Wavy
Experience music and art in augmented reality
Augmented RealityMusic
Open Jobs —
Team —
Founded 2016
Hipmunk
Hipmunk takes the agony out of searching for flights, accommodations,…
Travel
Open Jobs —
Team 51
Founded 2012
LN
Linear
The issue tracker built for high-performance teams.
SaaSDev ToolsProject Management
Open Jobs 28
Team 50–100
Founded 2019