Google ARCore - Google Augmented Reality SDK
Sitecake - Drag and drop CMS for HTML websites. It's flat file CMS so it's pretty fast.
Vuforia SDK - Vuforia is a vision-based augmented reality software platform.
Anchor CMS - Free and lightweight blogging system
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.
Textpattern - Textpattern is an elegant content management system that is free, open source software.