social.im
This Social.im is a desktop Facebook IM client that automatically adds your Facebook friends to make it easy to chat with them. The client also shows other basic Facebook information such as new wall posts, messages, pokes, and more. There’s no file transfer or image sharing features. There’s no voice chat.
Dana IRC Client
DANA IRC is a smart and easy to use IRC client for either expert and newbie users. Use DANA as a full-features and ready to use IRC Client with any IRC server. DANA can be customized by creating individual skin-graphics and server-presets to provide special DANA-clients for special-events.
messmo
Download messmo and share it with your friends to access Free SMS and picture messaging. Messmo uses the mobile Internet, and combines SMS with the best of instant messaging and email. Lets you send messages to/from anyone’s mobile number for Free.You can use real mobile numbers for SMS, Free TXT and attachments. Send to messmo and non messmo users.
The FriendCasts feature allows you Create an instant group with a new number. Send one TXT and all of your friends get the message. Share a cool photo, start a chat on a hot topic! You can also Send emails. Upload, post and much more with FaceBook!
This messmo mobile application is no advertsing, no spam and 100% personal control. You can just download and go.