Y Combinator

Make something people want.

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Y Combinator is an American seed accelerator launched in March 2005 and was used to launch over 2,000 companies including Dropbox, Airbnb, Stripe, Reddit, Optimizely, Zenefits, Docker, DoorDash, Mixpanel, Heroku.

Y Combinator reviews

The community submitted 28 reviews to tell us what they like about Y Combinator, what Y Combinator can do better, and more.

4.9

Based on 28 reviews

Review Y Combinator?

Y Combinator is highly praised for its transformative impact on startups. Makers from Ubicloud and HYBRD highlight its role in accelerating their growth and providing invaluable guidance. The program is lauded for fostering independence and offering a robust community of founders and advisors. Many appreciate the access to influential figures and resources, such as Paul Graham's essays and the Startup School playlist. Overall, YC is seen as an unparalleled incubator and a vital resource for early-stage entrepreneurs.

+25

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funding opportunities (2)

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Helpful

Ben Katz

used Y Combinator to build HYBRD

HYBRD

(293 points)

Our first investor & a formative experience for our team that helped us ship faster than we ever anticipated.

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1mo ago

Erik Dunteman

used Y Combinator to build Pig

Pig

(150 points)

For having me in W25!

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5mo ago

Johannes Danielmeyer

used Y Combinator to build

Mentara

(296 points)

To every YC founder recommended for follow-up funding

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8mo ago

Johannes Danielmeyer

used Y Combinator to build

Mentara

(316 points)

Just a great source for Entrepreneurial Greatness.

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8mo ago

Ozgun Erdogan

used Y Combinator to build

Ubicloud (YC W24)

(583 points)

YC changed our lives. Speaking for myself, I had no idea how to do a start-up when we went through YC the first time around with Citus Data. YC has also been instrumental for Ubicloud, so wanted to give a shoutout.

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11mo ago

Dylan Allen

used Y Combinator to build Cheers (YC S24)

Cheers

(146 points)

Y Combinator does not need much of an introduction, but it has been a game changer for us. Between the one on one advice from group partners, the incredible community of founders, events, and much more, it's helped us be the best versions of ourselves, and build towards a legitimately valuable product! We have been able to personally meet people like Sam Altman, Paul Graham, Andy Jassy and many many more amazing founder. Applications for the (new) Fall batch of Y Combinator are coming up! Feel free to comment with questions and I'll try to answer as well as I can.

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11mo ago