From Game Making Tools Wiki
Release date: 2020–21
Made by: Cedric Stoquer
Runs on: Browser
Imports: custom
Exports: MP3, custom

Petaporon is a browser-based tool for making music. It uses a piano roll layout to arrange notes. It features instrument sets mostly based on videogames, and you can create your own with Po. Songs can be exported to MP3, or a plaintext format that can be loaded and shared.