Top accelerator startups

Startups14,448Programs29

14,448 startups · 29 programs

YC Winter 2009

16 companies · 0% AI · 0 data · 1 devtools · started Jan 2009

The W09 companies

OtherPublicAirbnbBook accommodations around the world.YC W09San FranciscoStartup →Developer toolsAcquiredCloudkickA developer tools startup in Y Combinator's Winter 2009 batch, based in San Francisco.YC W09San FranciscoStartup →OtherAcquiredHeyzapHeyzap (acquired by Fyber for $45m in 2016) is one of the largest…YC W09San FranciscoStartup →OtherVolantioPost-booking revenue and capacity optimization for airlines…YC W09AtlantaStartup →OtherAcquiredDivvyshotA startup in Y Combinator's Winter 2009 batch, based in San Francisco.YC W09San FranciscoStartup →OtherAcquiredEchodioSync and stream your music across any device. Acquired in 2009.YC W09San FranciscoStartup →OtherAcquiredreMailEmail search for iPhone. Acquired by Google in Feb 2010.YC W09CAStartup →OtherInactiveFoodoroA startup in Y Combinator's Winter 2009 batch, based in San Francisco.YC W09San FranciscoStartup →OtherInactivePetaSalesA startup in Y Combinator's Winter 2009 batch, based in San Francisco.YC W09San FranciscoStartup →OtherInactivePicurioA startup in Y Combinator's Winter 2009 batch, based in San Francisco.YC W09San FranciscoStartup →OtherInactiveSkysheetBrowser-based spreadsheet.YC W09Startup →OtherInactiveVoxliA startup in Y Combinator's Winter 2009 batch, based in CA.YC W09CAStartup →OtherInactiveNambiiA startup in Y Combinator's Winter 2009 batch, based in San Francisco.YC W09San FranciscoStartup →OtherInactiveRecuriousA startup in Y Combinator's Winter 2009 batch, based in San Francisco.YC W09San FranciscoStartup →OtherInactiveSpaces LifeA startup in Y Combinator's Winter 2009 batch.YC W09Startup →OtherInactiveWattvisionSensors and software for energy tracking. Like 'fitbit' for your…YC W09PrincetonStartup →
Company
AirbnbBook accommodations around the world.team of 6.1kpublicPublicOther
CloudkickA developer tools startup in Y Combinator's Winter 2009 batch, based in San Francisco.team of 11acquiredAcquiredDevtools
HeyzapHeyzap (acquired by Fyber for $45m in 2016) is one of the largest…team of 11acquiredAcquiredOther
VolantioPost-booking revenue and capacity optimization for airlines…team of 19hiringActiveOther
DivvyshotA startup in Y Combinator's Winter 2009 batch, based in San Francisco.acquiredteam of 2AcquiredOther
EchodioSync and stream your music across any device. Acquired in 2009.acquiredteam of 2AcquiredOther
reMailEmail search for iPhone. Acquired by Google in Feb 2010.acquiredAcquiredOther
FoodoroA startup in Y Combinator's Winter 2009 batch, based in San Francisco.team of 11InactiveOther
PetaSalesA startup in Y Combinator's Winter 2009 batch, based in San Francisco.team of 2InactiveOther
PicurioA startup in Y Combinator's Winter 2009 batch, based in San Francisco.team of 2InactiveOther
SkysheetBrowser-based spreadsheet.team of 2InactiveOther
VoxliA startup in Y Combinator's Winter 2009 batch, based in CA.team of 2InactiveOther
NambiiA startup in Y Combinator's Winter 2009 batch, based in San Francisco.InactiveOther
RecuriousA startup in Y Combinator's Winter 2009 batch, based in San Francisco.InactiveOther
Spaces LifeA startup in Y Combinator's Winter 2009 batch.InactiveOther
WattvisionSensors and software for energy tracking. Like 'fitbit' for your…InactiveOther

About W09

Every company, one tile each

By category

W09 by category

Where are they now

W09 by status

W09 among all batches

Companies per batch
S05: 8W06: 7S06: 10W07: 14S07: 19W08: 212008S08: 22W09: 16W09S09: 26W10: 27S10: 36W11: 45S11: 60W12: 662012S12: 83W13: 46S13: 52W14: 74S14: 78W15: 110S15: 104W16: 1222016S16: 102W17: 116S17: 125W18: 146S18: 131W19: 194S19: 176W20: 2292020S20: 209W21: 336S21: 391W22: 398S22: 233W23: 274S23: 220W24: 2482024S24: 248F24: 94W25: 166X25: 144S25: 166F25: 146W26: 199X26: 194S26: 229F26: 219F26

Top tags in W09

  • Marketplace1
  • Travel1
  • Advertising1
  • Airlines1
  • Music1
  • Email1
  • Productivity1
  • Sustainability1