Nyancat is an animated, color, ANSI-text program that renders a loop of the classic Nyan Cat animation. nyancat makes use of various ANSI escape sequences to render color, or in the case of a VT220, simply dumps text to the screen.
Website: https://github.com/klange/nyancat
Port: https://github.com/SerenityOS/serenity/tree/master/Ports/nyancat
Port icon has the following license: Attribution 4.0 International (CC BY 4.0)