A web-based tool that transforms any image into a printable or digital colour-by-number template using WebAssembly-powered C++ image processing.

Coloress (pronounced collar-s or color ess) is the default coloring book viewer, editor, and manager for the @S-Desktop-Environment | It can do color by number, default coloring books, and more.

A simple JavaScript program that creates color-by-number mosaic pictures the user can fill in.

An online, no-account website that allows you to digitally paint by numbers!