The Y Combinator Database - The definitive database of YC companies with all the metrics
The Careers of the Founders - A timeline of success & failures of remarkable entrepreneurs
YC World - Explore Y Combinator companies by country
From Millions to Billions - What age did they make their first billion?
Startup School - How to start a startup, by Y Combinator
Visual Biographies - Timelines of amazing lives for visual learners