Miranda IM - (Open Source)
Miranda is a great instant messaging software, compatible with most existing software such as ICQ, AIM, MSN, Jabber, Yahoo, IRC, Gadu-Gadu, Tlen, Netsend.
Miranda is a very flexible instant messaging client for chatting on multiple networks simultaneously. It is able to connect to ICQ, AIM, MSN, Facebook, Jabber, Yahoo!, Gadu Gadu, IRC and some other protocols.
The purpose of software is to make this kind of communication as simple as possible. It is also possible to copy Miranda on a USB stick or other removable.
Miranda is also customizable with many other plugins and skins, and boasts a very active community.
Enhancements
* Improve account renaming inside of the account manager
* Notification if missing messaging plugin
Bugfixes
* Improved upgrade procedure when using older contact list and messaging plugins
* Network list in options wasnt sorted
* Fixed missing icon/menu issues
* Fixed crash in options on XP pre SP2
* Fixed errors loading dlls on wrong OS
* Fixed drawing background in options search
* Fixed account removal handling
* Fixed hotkey issue with some MS keyboards
* Fixed possible crash with event data
* AIM: Fixed issue with multiple connection requests
* AIM: Fixed issue setting AIM profile
* ICQ: Fixed AIM away message handling (caused online status to be seen as away in some clients)
* IRC: Possible crash on specific alias
* MSN: Fixed renaming nickname from options
* MSN: Fixed Offline messaging reception from Beejive client
* Yahoo: Show download progress properly
* Yahoo: Cancel out in the middle of file receive.
* Yahoo: Main menu fixes