Apache Vysper
Apache Vysper aims to be a modular, full featured XMPP (Jabber) server.
More details on Vysper in their documentation.
There are already some larger XEPs as modules available, most notably
debian
Updating Packages Using Apt On Old Debian Installs
When attempting to install a new package or update an existing package if you are presented with the error E: Release file expired, ignoring http://archive.debian.org/debian-archive/debian/dists/squeeze-lts/Release (invalid since 189d 0h 42min 32s) You will need to Read more…
1 Comment
Jasmine Everett · 02/02/2013 at 21:48
The proprietary extension to Openfire allows multiple server instances to work together in one clustered environment. This extension is now open source as well.