CS183B - Startup Class - Stanford class taught by Sam Altman & guest speakers
On Slack by Standuply - The most extensive book on using Slack to the utmost
Velocity.js - Velocity is a JavaScipt animation engine.
The Startup Playbook - How-to guide for building your startup from the ground up
How to build muscle - An engineer's guide to building muscle.
PalPark - Curate and share your learnings by topics