Startup Playbook by Hatch Quarter - A guide to building your startup
OneLinePlayer - The simple and beautiful embed video player for web
On Slack by Standuply - The most extensive book on using Slack to the utmost
PeerBoard - The easiest way to build your community without coding
CS183B - Startup Class - Stanford class taught by Sam Altman & guest speakers
Hyperbeam - A better way to watch together online