Original Windows version : https://forums.uberent.com/threads/rel-pa-mod-manager-v4-0-3.50726/
Original Linux and Mac OS X version : https://forums.uberent.com/threads/rel-raevns-pa-mod-manager-for-linux-and-mac-os-x-version-4-0-2.50958/
By using atom-shell, this version should be able to run on every platform supported by Planetary Annihilation at once. This is a port of the Windows version which already use a html engine.
DON'T. Planetary Annihilation now provide a in-game mod manager and conflict with PAMM.