multi-protocol instant messaging library

 libpurple is a library intended to be used by programmers seeking
 to write an IM client that connects to many IM networks.
 Currently supported are:
 AIM/ICQ, IRC, Jabber/XMPP/Google Talk, Napster, Zephyr, Gadu-Gadu,
 Bonjour, Groupwise, Sametime, and SIMPLE.
 .
 Some extra packages are suggested to use increased functionality:
  * libtcl8.6, libtk8.6:
    - Support for writing plugins with Tcl/Tk