Spectrum is an XMPP transport/gateway. It allows XMPP users to communicate with

their friends who are using one of the supported networks. It supports a wide

range of different networks such as ICQ, XMPP (Jabber, GTalk), AIM, MSN,

Facebook, Twitter, Gadu-Gadu, IRC and SIMPLE. Spectrum is written in C++

and uses the Swiften XMPP library and libpurple for “legacy networks”.

Spectrum is open source and released under the GNU GPL.