Asklayer - Get real answers from your customers with Asklayers surveys, quizzes, polls and more. Works on any website with zero code and includes enterprise level features such auto-segmentation, user tagging, branching, NPS & CSAT calculation.

Face++ - API for face detection – also detects gender, age, pose

Doorbell.io - Collect in-app user feedback. Available on websites, iOS, and Android.

TrueFace.AI - A facial recognition API with picture attack detection

buddybuild - Buddybuild ties together continuous integration, continuous delivery and an iterative feedback solution into a single, seamless system. With buddybuild, you can focus on what matters most: creating awesome apps.

Knoto - Send photos to friends automatically using face recognition