Facebook AR Studio - Facebook's developer platform for Augmented Reality
Google ARCore - Google Augmented Reality SDK
ARLOOPA AR App - Add digital objects to the real world with AR
Vuforia SDK - Vuforia is a vision-based augmented reality software platform.
SketchAR - Start drawing easily using augmented reality
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.