Marmoset - Create gorgeous code snapshots.
Hackr.io - There are tons of online programming courses and tutorials, but it's never easy to find the best one. Try Hackr.io to find the best online courses submitted & voted by the programming community.
Codeimg.io - Create and share images of your source code
BigTube - Makes watching programming tutorials more fun
CodeShare.io - Realtime code sharing for developers
100 Days of Code - Make coding a habit. Join the growing community.