Scratch - Scratch is the programming language & online community where young people create stories, games, & animations.
Tynker - Game Worlds for Kids to Learn Programming
CodeCombat - Learn programming with a multiplayer live coding strategy game.
RoboGarden - RoboGarden provides a complete, game-based suite that teaches coding from beginner to professional level, starting with block programming and progressing to professional Python and JavaScript programming.
StackHive - Design, develop or publish websites right from your browser
ScratchJr - Coding is the new literacy!