Trillian 5.1 build 18 Portable by Evan

Trillian is a fully featured, stand-alone, skinnable chat client that supports AIM, ICQ, MSN, Yahoo Messenger, and IRC. It provides capabilities not possible with original network clients, while supporting standard features such as audio chat, file transfers, group chats, chat rooms, buddy icons, multiple simultaneous connections to the same network, server-side contact importing, typing notification, direct connection (AIM), proxy support, encrypted messaging (AIM/ICQ), SMS support, and privacy settings.

Without stealing your home page and with no other included software, pop-ups, or spyware, Trillian provides unique functionality such as:
contact message history,
a powerful skinning language,
tabbed messaging,
global status changes (set all networks away at once),
Instant Lookup (automatic Wikipedia integration),
contact alerts,
an advanced automation system to trigger events based on anything happening in the client,
docking,
hundreds of emoticons,
emotisounds,
shell extensions for file transfers, and
systray notifications.

What's new:

- FIXED [OSCAR] Add preference to not send HTML in outgoing messages
- FIXED [OSCAR] Auto-responses not sending correctly
- FIXED [OSCAR] HTML encoding issues in status messages
- FIXED [XMPP] Avatars mismatched in contact list
- FIXED [XMPP] Problems blocking Google contacts
- FIXED [Facebook] Fixes crash with OAuth window after hitting the login button for some computers