Bazaart - Create. Discover. Love. Social photo collage editor
FaceAware - Image processing with the ability to focus on faces 📸👶
iZap - piZap Photo Editor is fun and easy to learn online photo editor & collage maker. Tons of effects, fonts, stickers, collage layouts, borders, frames, and editing tools.
Face++ - API for face detection – also detects gender, age, pose
PhotoRoom - Create studio-quality product pictures in seconds.
Knoto - Send photos to friends automatically using face recognition