Comparing XMPP servers : openfire vs prosody vs ejabberd

Topic/Feature/Quality	Openfire	Prosody	Ejabbered
Statistical use	7.36434%	17.0543%	7.36434%
Memory usage	3rd	1st	2nd
Programming Language	Java	Lua	Erlang
XMPP WebSockets	Yes(via Plugin)	Yes	Yes
Multi User Chat	Yes	Yes	Yes
User Scalability Ranking	3rd	2nd	1st