popyorn
A level editor of Prince of Persia for the Macintosh. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.Download
> GNU/Linux
version 0.9b> Windows
version 0.9bScreenshots
Documentation
My apoplexy level editor uses the same GUI.
See its instructional videos.