Trillian
Freemium
Trillian is a proprietary multiprotocol instant messaging application.
ejabberd
Open Source
ejabberd is an XMPP application server, written mainly in the Erlang programming language.
Matrix.org
Open Source
Matrix is an open protocol for real-time communication. It is designed to allow users with accounts at one communications service provider to communicate with…
Compare Openfire with alternatives
Compare Matrix.org and Openfire and decide which is most suitable for you.