List of XMPP server software

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designation operating system License comment language Web link
chime multiplatform GPL / commercial will no longer be developed Java
Citadel Linux GPL C. www.citadel.org
CommuniGate Pro multiplatform commercially www.communigate.com
ejabberd multiplatform GPL Erlang process-one.net/en/ejabberd
Openfire multiplatform Apache License Java www.igniterealtime.org/projects/openfire/
Prosody multiplatform MIT license Lua prosody.im
psyced multiplatform GPL LPC psyced.org