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
* Gadu-Gadu: Added option: Show links from unknown contacts
* Yahoo: Improved login error detection
Bugfixes
* Installer uses safer method of previous installation choices detection
* AIM: Fixed mail notifications
* AIM: Filenames were not correct on file receive
* AIM: Fixed setting status message to not supported status
* Gadu-Gadu: Icons were not installed correctly
* Gadu-Gadu: Fixed crash opening new conference
* Gadu-Gadu: Removed Show contacts not on my list having me on their list option due to the server changes
* ICQ: Advanced search was not working in some cases
* Jabber: Ignored Google Talk custom domains in account manager
* Jabber: Receiving messages stops if tag in response is incomplete
* Jabber: Group chat invites didnt process non-legacy invites
* Jabber: Fix for rare crash
* Jabber: Handle realms correctly in Digest-MD5 SASL
* MSN: Fixed setting status message to not supported status