Google ARCore - Google Augmented Reality SDK
Tynker - Game Worlds for Kids to Learn Programming
Vuforia SDK - Vuforia is a vision-based augmented reality software platform.
CodeCombat - Learn programming with a multiplayer live coding strategy game.
Wikitude SDK - Wikitude’s all-in-one AR SDK combines 3D tracking technology (SLAM), image recognition and tracking, as well as geo-location for apps.
StackHive - Design, develop or publish websites right from your browser