The Multiplayer Lobby is a [[https://en.wikipedia.org/wiki/Matchmaking_(video_games)#Lobbies | matchmaking]] application and service.
It uses the [[lobby/Ejabberd]] [[lobby/XMPP]] server and the [[lobby/XpartaMuPP and EcheLOn]] lobby services that have been developed in Python.
The XpartaMuPP service delivers the [[lobby/gamelist]] feature.
The EcheLOn service processes [[data]] to deliver the [[lobby/ratings]] feature.
[[ lobby/ejabberd/ ]] provides chat and presence.