ejabberd is an instant messaging server that allows users to transfer presence and status information between users connected to servers and supports real-time communications between them. Features: (Mostly) XMPP-compliant Web-based administration Load balancing: can run in a cluster of machines Fault-tolerance: database can be replicated and stored on multiple nodes (nodes can be added or replaced on the fly) SSL/TLS support Multi-User Chat (MUC/conference) IRC transport Jabber user directory, based on users vCards Service discovery
