CODIJY Pro Photo Colorization - Add colors to black & white photos and recolor images with surprizing ease!
Myheritage In Color - Myheritage In Color is a best-in-class technological tool that has been designed for colorizing old photos.
DeOldify - Open-source deep learning project for colorizing and restoring old images
Pigment by ShapeFactory - A unique way to explore color using lighting and pigment
ReallyColor - Turn your photos into coloring pages
Colorize It - Use deep learning to colorize black and white photos