BeejiveIM (BlackBerry) is the most reliable and user-friendly mobile IM application on the market for BlackBerry devices, featuring desktop-like instant messaging and always-on efficient networking.
Works with AIM/iChat/MobileMe, MSN/Windows Live, Yahoo!, Facebook Chat, MySpace, GoogleTalk, ICQ, & Jabber
The Vayusphere XMPP Messenger solution for BlackBerry provides a robust, reliable Instant Messaging solution for your wireless needs. Vayusphere XMPP Messenger solution inter-operates with all standards compliant XMPP/Jabber servers and has been deployed at over 200 companies and thousands of devices
Nimbuzz - Free chat (for BlackBerry OS 4.6) is free instant messaging with friends on Nimbuzz.You can also import all popular IM communities and social networks so you can chat with friends from Facebook, MSN messenger, Yahoo Messenger, Gtalk, ICQ, AIM, MySpace, Hyves.FREE CHAT ? Use messaging as free SMS to save money on texting
Flirtomatic - Find millions of like-minded people and new friends with the Flirtomatic application. It's open to everyone over the age of 18 and helps you to find and flirt with millions of real people, if that's a new best friend, someone to have a chat to or your soul mate, or all of the above, it's your choice
Trillian - Now on introductory sale for $4.99!
Trillian for BlackBerry® helps you organize and stay in touch with your IM and social friends while on-the-go. Receive notifications, send pictures and messages, and optionally synchronize with Trillian for Mac, Windows, and Web
Glider is an easy-to-use fully-fledged instanting messanging client for your cell phone. You can chat with your friends using any of the following protocols: Xmpp, Gmail, Facebook, MSN, AIM, Yahoo! and ICQ
A Chit Chat for Facebook (Blackberry) - Use Facebook Chat on your Blackberry with A* Chit Chat for Facebook (Blackberry).
Originally released for Windows now it's been brought to your Blackberry mobile by popular demand
Berricons - TEXT SYMBOL Emoticons - Berricons display as TEXT symbols
FREE TRIAL AVAILABLE!!!
Express yourself with Berricons!
NEW! Works with Text Messages and Yahoo Instant Messenger!
Now you can quickly and easily insert emoticons in your messages using Berricons. You will never have to remember how to type all those funny faces again
:- ) :-) Emoticons for BlackBerry ;-) - Insert quickly all kinds of emoticons - happy, sad, winking, you name it! The app is accessible directly from your e-mail application, so that you get the most of it. All emoticons are inserted quickly as their text alternatives, so that your friends can receive them