CS183B - Startup Class - Stanford class taught by Sam Altman & guest speakers
Classroomies - Watch Stanford CS & Startup lectures together
How to Acquire More Users - The growth guide used by Y Combinator companies
Frond - A better way to build community online
Velocity.js - Velocity is a JavaScipt animation engine.
Indie Hackers - Connect with fellow entrepreneurs, developers, and bootstrappers who are sharing the strategies and revenue numbers behind their companies.