You Need A Wiki - Create a wiki with Google Docs
Ello - Welcome to the Creators Network. Ello is a community to discover, discuss, publish, share and promote the things you are passionate about.
Stack Overflow Documentation - A crowdsourced developer documentation
Dribbble 2015 Year in Review - Everything awesome at Dribbble in the year 2015
Greenboard - Generate beautiful static api documentation
Design Hunt - Curated design inspiration for everyone