TrueFace.AI - A facial recognition API with picture attack detection
Photofeeler - Choose your profile photos using hard data
Restb.ai - Custom computer vision as a service
Photo Analyzer - Photo Analyzer is an app that you can use to analyze the image and object in it, which can be in the form of text or image.
New Google Photos - Shared suggestions, libraries and photo books
DATEnhance - upload a couple of pictures, and go on to rate others.