Startup Stash - A curated directory of 400 resources & tools for startups
CS183B - Startup Class - Stanford class taught by Sam Altman & guest speakers
ProppyJS - Functional props composition for UI components (React & Vue)
YC Startup Class - A live, one-hour class by Sam Altman on Platzi
Devhints - TL;DR for developer documentation
Radiohere - Hand curated multi lingual online radio stations