Brain Pump - Random educational videos. Learn something new.
Face++ - API for face detection – also detects gender, age, pose
Tanglet - Tanglet is a single player word finding game based on Boggle.
Facesoft - The world's most accurate face recognition algorithm
Bushido Bear - Defend your forest against endless waves of evil demons
Facial Recognition by FB - Get notified if someone tries to use your photo on Facebook