Aseprite - Aseprite is an art program dedicated to the creation of pixel art.
Facesoft - The world's most accurate face recognition algorithm
Pixilart - A drawing app for delightfully retro pixel art
FaceAware - Image processing with the ability to focus on faces 📸👶
Pixel Art Studio - A purpose-built drawing tool for pixel artists
Face++ - API for face detection – also detects gender, age, pose