MongooseIM Linux macOS Robust, scalable and efficient Instant Messaging server MongooseIM is a highly customisable instant messaging backend, that can handle millions of messages per minute, exchanged between millions of users from thousands of dynamically configurable XMPP domains en Erlang complete 2.13.1 complete 2.0 complete 1.7 complete 1.4 complete 1.3 complete 2.5rc3 complete 1.34.5 complete 1.2 complete 1.3.0 complete 1.2 complete 1.3 complete 1.0 complete 1.25.0 complete 1.3.0 complete 2.4 partial 1.2 complete 1.1.1 complete 1.0 complete 2.1 complete 1.0 complete 1.1 complete 1.2 complete 1.6 complete 1.6.0 complete 1.11.2 complete 1.1 complete 1.1.1 complete 1.0.1 complete 1.2.2 complete 1.0 complete 1.2 partial 1.2 complete 1.0 complete 1.3 complete 1.6.1 complete 2.0.1 complete 2.0 complete 1.4 complete 1.0.0 complete 1.1.1 complete 1.3 complete 0.3.0 complete 1.2 complete 0.6.5 complete 0.2 complete 1.0.1 complete 1.1.0 complete 0.4 complete 1.0.0 complete 0.4.1 complete 1.1.0 complete 0.8.3 partial 0.4.0 partial 0.4.0 complete 0.3.0