Portable Adium

Portable Adium is the multiprotocol Adium instant messaging client that can Connect to AIM, MSN, Jabber, Yahoo, and more, packaged as portable application so you can carry around with you on any portable device, USB thumb drive, iPod, portable hard drive, memory card, other portable device (also on your internal hard disk) as long as it has 65 MB of free space and use on any Mac OS X computer, taking your conctact list, Emoticons, message stiles, plugins, scripts, sound and users with you.