Startup Stash - A curated directory of 400 resources & tools for startups
CS183B - Startup Class - Stanford class taught by Sam Altman & guest speakers
Freebie.Supply - Awesome free things for entrepreneurs & startups
Classroomies - Watch Stanford CS & Startup lectures together
Stacks - A bookshelf for your online courses
Apply to YC (Y Combinator) - Curated collection of resources for founders applying to YC.