Face++ - API for face detection – also detects gender, age, pose
PaperSurvey.io - Effortless automated paper-based survey data collection
Facesoft - The world's most accurate face recognition algorithm
Yomark by Yoctel - Yoctel OMR software read or evaluate any kind of Latest NEET, CBSE OMR Sheet that is, it may be admission form or test paper answer sheet or psychometric tests or survey/ feedback forms, Yomark reads everything for you
Facial Recognition by FB - Get notified if someone tries to use your photo on Facebook
FeedbacQ - Real-time customer feedback and survey management solution.