Google Open Source - All of Googles open source projects under a single umbrella
Egghead - Learn the best JavaScript tools and frameworks from industry pros. Video tutorials for badass web developers.
SmallDevTools - Handy developer tools with a delightful interface
React Resources - A tool to keep up with whats new in React
whatdevsneed - This is whatdevsneed.
Codecademy - Learn the technical skills you need for the job you want. As leaders in online education and learning to code, we’ve taught over 45 million people using a tested curriculum and an interactive learning environment.