colorize.cc - Colorize black and white photos with power of ML
DeOldify - Open-source deep learning project for colorizing and restoring old images
Colornet - Neural Network to colorize grayscale images
CODIJY Pro Photo Colorization - Add colors to black & white photos and recolor images with surprizing ease!
AKVIS Coloriage - AKVIS Coloriage manipulates colors of an image: from colorizing old black and white photos from your family archive to replacing colors in your color photos.
Drizzy app - The iOS8 keyboard with all the hottest Drake verses