Tynker - Game Worlds for Kids to Learn Programming
GetBadges - GetBadges is a gamification platform which allows developers to play and compete while using software development tools.
CodeCombat - Learn programming with a multiplayer live coding strategy game.
Goals & Challenges by Fini - A social way to gamify goals and habits with challenges
StackHive - Design, develop or publish websites right from your browser
HabitScript - Gamify your coding time