ejabberd offers a full range of features – as standard

ejabberd offers one of the most comprehensive feature sets of any instant messaging server. Based on the eXtensible Messaging and Presence Protocol (XMPP), it incorporates a very large subset of XMPP Enhancement Protocols (XEPs: see the supported protocols list).

Key features include:

• A web administration console and command line administration tools that ensure easy set up
• Support for encrypted connections to ensure secure communications
• Many built-in services, including Jabber User Directory and Multi-User Chat
• The ability to run on heterogeneous platforms including Microsoft Windows, Linux, MacOSX and Solaris
• Standard Jabber transport compliance to enable communication with other instant messaging networks
• Automatic collection of statistics for reporting and system analysis
• Virtual hosting, enabling ejabberd to run several virtual domains from a single ejabberd instance
• Shared rosters, so that users can have predefined entries in their contacts lists
• External storage support
• Large numbers of supported protocols (see the supported protocols list for details)
• Multi-lingual web administration interface
• Full IPv6 support