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

Sprig - Delivering locally-sourced, seasonal, sustainable lunches and dinners.

Facesoft - The world's most accurate face recognition algorithm

UserVoice - UserVoice integrates easy-to-use feedback, helpdesk, and knowledge base management tools in one platform that empowers users to speak and companies to understand.

Facial Recognition by FB - Get notified if someone tries to use your photo on Facebook

User Interviews - User Interviews is a tool to recruit participants for product tests and market research.