Centericq is a Text Mode menu- and window-driven IM interface that supports the ICQ2000, Yahoo!, AIM, IRC, MSN, Gadu-Gadu and Jabber protocols. Actually, it was written since I didn't find any usable software of this kind that would suit me perfectly. Brief list of program's features follows.
-Text mode user interface
-General instant messaging features
-ICQ support
-Yahoo! support
-Jabber support
-IRC support
-Integrated client for LiveJournal
-Other
Integrated RSS-feeds reader
Builds and works under Linux, FreeBSD, NetBSD, OpenBSD, Sun Solaris, Windows and MacOS X/Darwin
Script for migrating contact list and history from licq, kxicq2, gnomeicu and micq
Logging of program's actions
Re-reading the configuration on-fly if changed
Extensive and interesting documentation
The friendly and active users community at the centericq.de fan-club site