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.

We’ve overhauled the YC Library to make it easier to find the latest videos, essays, and podcasts from around Y Combinator, and to help you explore some of the best YC content from over the years. Come learn how to make something people want.

Hi PH! I’m Cat, and I’m one of the engineers that worked on the YC library, alongside @katherine_bernstein. We’re excited to show you the reimagined YC Library! We first launched the Library in 2020, and it has proven to be a tremendous resource since; much of the stuff in there has been viewed hundreds of thousands or millions of times. With this redesign, it’s much easier for founders to keep up with our growing lineup of new video series and and for future founders to explore the wealth of content we’ve made over the years. The new Library will always be growing — as we release new content, as we expand its archives of prior releases, and as we continue to build out its functionality. If you have any ideas for things we should add to the library, let us know in the comments!

Hey! I'm Kat, one of the engineers who worked on the YC Library with @catheryn. I'm so excited to be sharing the new Library with all of you! Let us know if you have any feedback, questions, or suggestions :)

Thanks for launching this! Much easier that scouring the internet for every single YC bit of advice! We at Clustr will definitely make use of this on our next application🤩

@timcha We’re happy that you find it valuable! Let us know if you have any feedback, questions or suggestions 🙏🏽

@svkpham of course, will share some feedback over LinkedIn if you don’t mind.

@timcha sure - you can also email me steven@

@svkpham definitely, will do over weekend, thanks

If you're applying, reply below with what you're building so we can cheer you on!

If you're doing a startup and not applying, why aren't you applying?

Hey PH community

I m building a startup and reaching the point where I need to better understand the early-stage funding landscape especially around pre-seed and first checks.

There s a lot of theory online, but I d love to hear your real stories and practical tips:

How did you raise your first funding?

If you're applying, reply below with what you're building so we can cheer you on!

If you're doing a startup and not applying, why aren't you applying?

Hey PH community

I m building a startup and reaching the point where I need to better understand the early-stage funding landscape especially around pre-seed and first checks.

There s a lot of theory online, but I d love to hear your real stories and practical tips:

How did you raise your first funding?

I've been a huge fan of YC for over a decade. Paul Graham's essays alone are a treasure of information. In addition to being one of the best funds of all time, they are constantly creating great content for entrepreneurs. Our company used their free Safe note templates for pre-seed investors. I've consumed many YT videos and even more blog posts and tweets.

Amazing resource for thinking "Startup"

Y Combinator is a powerful force in the startup world, and its success stories serve as inspiration for aspiring entrepreneurs looking to build the next big thing!

Amazing resource for thinking "Startup"

Y Combinator is a powerful force in the startup world, and its success stories serve as inspiration for aspiring entrepreneurs looking to build the next big thing!

Y Combinator

Make something people want.

Y Combinator

Make something people want.

YC Library

Y Combinator Launches

Do you use Y Combinator?

Forum Threads

YC deadline in <2 weeks; Who's applying?

Where should a startup begin? From pre-seed to finding first investors — your real-world advice?

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Y Combinator Launches

Forum Threads

YC deadline in <2 weeks; Who's applying?

Where should a startup begin? From pre-seed to finding first investors — your real-world advice?

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