From the website landing page :

New programs and updates are provided automatically for the life of your WOW! Computer.

From https://www.mywowcomputer.com/open-source/

Distro is based on tiny core

The source files can be found by following 3 links deep to https://www.telikin.com/source/ doesn't look like they include their frontend though, which might be proprietary, idk.

(you lazy bastard /j)