1)   mig33 4.05
mig33 is the largest mobile community, with over 20 million friends globally. Access your IMs (Yahoo, MSN, Gtalk), chat for free, make cheap international calls and SMS, send virtual gifts and much, much more. And get free credits when you sign up!

 2)   QuickIM Mobile Instant Messenger for MSN / AOL 2.5
QuickIM instant messenger software allows you to connect to public MSN networks and chat with friends from anywhere you are. QuickIM comes with many advanced features, and best of all, all your chat messages are directly sent to MSN without gateways!