The numbers from last cycle are public knowledge: 435 applications, 20 of which we funded.
Also, who are the other organizations like YCombinator?
Techstars directly copied the model, Seedcamp is inspired by YC and invests a little more for a bigger stake.
Two VCs, Lightspeed and Highland Capital have summer programs for student entrepreneurs.
Apparently, Hacker News user "enki" started this one if I'm not mistaken.