Nudee - Create a 3D printed "nude selfie" (slightly NSFW)
Google ARCore - Google Augmented Reality SDK
NaaS - Nudity-detection as a service run on solar powered Rasp Pi's
Vuforia SDK - Vuforia is a vision-based augmented reality software platform.
Image Blur - Hide your sensitive data with a click
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.