Compo4All Manager (C4A) by skeezix is a multiplayer system supporting online high score tables and in the future.. achivements, game lobbies, game to game messaging; C4A Manager is a standalone tool so you can create or update your C4A Profile or player account; once your have a profile, any C4A supporting game will be able to register your scores!
http://repo.openpandora.org/?page=detail&app=compo4all-mgr-skeezix-0001