Aprender Gratis - Platform that spread courses, guides, manuals, tutorials and all kinds of resources to learn for free from home.
API List - A collective list of APIs. Build something.
Slashdiv - Visual React JS Layout Builder
Abstract APIs - Simple, powerful APIs for everyday dev tasks
React Milkshake - React boilerplate to kickstart your next projects.
The Unsplash API - No-limits, do-what-you-want API for access to 200K+ HD pics.