Talansoft - Create 3D/AR apps without coding on all platforms
Google ARCore - Google Augmented Reality SDK
ARToolKit - The world's most widely used tracking library for augmented reality.
8th Wall - Cross-Platform Mobile AR
Matterport 3D Showcase - View Matterport 3D Spaces online and offline.
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.