Google ARCore - Google Augmented Reality SDK
Holo - Mix holograms into videos & photos in Augmented Reality
8th Wall - Cross-Platform Mobile AR
Snap Art - Snap's augmented reality platform
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.
Made With ARKit - Hand-picked curation of the coolest stuff made with ARKit