CODIJY Pro Photo Colorization - Add colors to black & white photos and recolor images with surprizing ease!
Colorscape - Turn your photos into coloring pages
BlackMagic Photo Coloring - BlackMagic is a photo coloring software for PC Windows, released as shareware; it is used to colorize Black & White, BlackMagic virtual box-shotSepia, or IR (infrared) photos, or to Color-correct ones with faded or inappropriate colors.
Color by Disney - Coloring pages for adults featuring the magic of Disney
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