Startup School - How to start a startup, by Y Combinator
CS183B - Startup Class - Stanford class taught by Sam Altman & guest speakers
Owlead - Grow your Twitter with valuable followers, effortless
Classroomies - Watch Stanford CS & Startup lectures together
Hyper Founder Program - An 8-week founder program inspired by Product Hunt
Apply to YC (Y Combinator) - Curated collection of resources for founders applying to YC.