The Y Combinator Database - The definitive database of YC companies with all the metrics
Swyg Interview Practice - Practice interviewing in live video chats with a partner
Y-Combinator - Y Combinator provides seed funding for startups.
The Interviewer - The Interviewer is an electronic recording solution for custodial interviews and interrogations, online case management, a full text search and more to help manage the records.
TheYCBot - Need startup help?
Startup School - How to start a startup, by Y Combinator