PhotoTime - Automatic face sorting & keywords tagging for your photos
Lookback - See how people really use your app
Piwigo.org - Manage your photo collection with Piwigo. Piwigo is open source photo gallery software for the web. Designed for organisations, teams and individuals.
Dovetail - Mobile Cloud-Based Dental Software
Facial Recognition by FB - Get notified if someone tries to use your photo on Facebook
Face++ - API for face detection – also detects gender, age, pose