Startup Stash - A curated directory of 400 resources & tools for startups
ProppyJS - Functional props composition for UI components (React & Vue)
Startup Collections - Resources & tools for entrepreneurs, designers & developers
LaunchKit - Open Source - A popular suite of developer tools, now 100% open source.
Remote Tools - A repository of handpicked tools for remote teams
Devhints - TL;DR for developer documentation