Img.vision - Image hosting & video hosting for eCommerce sellers
DeOldify - Open-source deep learning project for colorizing and restoring old images
UploadHouse - Thumbnail and resize your photos and images
CODIJY Pro Photo Colorization - Add colors to black & white photos and recolor images with surprizing ease!
ImageVenue - ImageVenue is a great online hosting service that allows uploading pictures for showing creative works with a simple-to-use technique.
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.