Recolor - Recolor – Coloring Book is an amazing app that allows you to enjoy the simple relaxation and joy of coloring.
DeOldify - Open-source deep learning project for colorizing and restoring old images
Color Therapy - Color Therapy Coloring Number is a #1 coloring app on Android and iOS devices that has millions of addicted artists worldwide.
CODIJY Pro Photo Colorization - Add colors to black & white photos and recolor images with surprizing ease!
Brit + Co - Media company that inspires, educates &entertains real women
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.