Imania Messenger-is a mobile messenger, independent of any telecommunication multinational, that wants to offer to their users probably the best and the most economic mobile communication software, combining mobile Internet access with local nets (wifi and bluetooth).
With Imania you can know other users, and they can know you with personal profiles
imi chat - 'imiChat' is the pioneer and the NO.1 brand of mobile video communication in the world. IMI launched 'imiChat' which is the first in the world making mobile video communication work effectively on 2.5G network and perfectly on 3G network
IMHere-
By far the most advanced Yahoo/MSN messenger for mobiles. This new version integrates Google Maps. Now you can see where you and your buddies are
Send photos or files to your MSN friends via absolute peer-to-peer way. UltraIM Pro supports genuine P2P file sending like real MSN does. Unlike other mobile instant messengers on the market, most of them upload photos or files to their server first, then notify your MSN friend to download them again
IM+ Pro All-in-One Messenger for S60v3, S60v5, and Symbian^3 -
Chat within MSN® /Windows Live, Yahoo!® , AIM®/iChat, ICQ® , Jabber®, Google Talk, Facebook and MySpace® messengers from your mobile device regardless of location and mobile operator.
No cost per message!
Lifetime license: all further updates included
phIRC is considered as beta as many things are missing I'd like it to have. At the moment phirc supports just basic irc commands. More to come native Symbian (not Java) application font face and size selection supports multiple irc server connections switchable normal/full view multiple channel and query windows different charset (UTF8, UCS-2, KOI8-R, Latin1, etc
YehBA Mobile Instant Messenger - S60 v2 - YehBA* Mobile Instant Messenger is now one of the most popular Mobile IM Communities in the world. It also features powerful, user-friendly messaging application that gives you PC Style Messaging as well as access to popular IMs (Yahoo, MSN, etc)