grafx

Install command:

brew install --cask grafx

Name: GrafX2

256 colour painting program

https://pulkomandy.tk/projects/GrafX2

Cask JSON API: /api/cask/grafx.json

Cask code: grafx.rb on GitHub

Current version: 2.8.3174,71

Current version requires: macOS >= 10.11

grafx is built for Intel macOS and so requires Rosetta 2 to be installed.
You can install Rosetta 2 with:
softwareupdate --install-rosetta --agree-to-license
Note that it is very difficult to remove Rosetta 2 once it is installed.

Analytics:

Installs (30 days)
`grafx`	18
Installs (90 days)
`grafx`	57
Installs (365 days)
`grafx`	232