Startup School - How to start a startup, by Y Combinator
On Deck - Business Loans | Small Business Funding | OnDeck
The Y Combinator Database - The definitive database of YC companies with all the metrics
Hyper - Extensible, cross-platform terminal built on open web standards.
Apply to YC (Y Combinator) - Curated collection of resources for founders applying to YC.
Know Your Crew - Game night with insight on your friends