Kanka MSN Messenger is an instant messaging software that permits you to chat on your mobile phone. You can chat everyone who uses MSN or Windows Live Messenger with KankaMSN. Besides KankaMSN is the least GPRS data consuming software in the market. So that you can enjoy spending minimum credits even you chat for hours with your friends
Yeigo is a free and innovative application for your mobile phone, which uses your phones Internet connection, (don't worry, your phone has one) to offer you free calls, Instant Messaging and cut-price text messages
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
Octrotalk - a Mobile Instant Messaging with voice and video integration. This always-on product keeps you connected with your buddies, and your buddies reach you whenever, wherever. Works seamlessly over GPRS/EDGE/CDMA/Wifi/Bluetooth data connections, and cuts down your phone bills
Nimbuzz - Enjoy free calls, free IM and all your social network friends in one place: Nimbuzz, MSN, Facebook, AIM, Google, Yahoo!, MySpace and more.
See who's online 24/7, send pics, music, voice messages and videos for free
Contacts on Ovi - Fresh off the blog at the Nokia Beta Labs, we bring you news that Nokia Chat has been renamed to Contacts on Ovi, complete with a host of improvements, bug fixes, and new features. First up, they’ve finally added support for S60 3rd Edition Feature Pack 2 devices, such as the N78, N96, and N79
Snaptu is a free mobile service that offers you a selection of fun and useful applications. Now UPDATED to version 1.3.1 BETA!
* A fast and easy way to access the Internet on your phone
* Turns your existing phone into a cool Internet device
Now featuring new applications!!
* Facebook application to stay updated with your social life while on the go
IM+ for Skype is a fully mobile application for voice and text communication with other Skype users and cost-effective calling to landlines and mobiles. No huge data traffic for calls!
IM+ for Skype works worldwide in any 3G/GSM/CDMA network and is not dependent on WiFi zones.Call Skype users from any Symbian S60 v3 mobile
Talkonaut is free mobile calling, VoIP enabled, Google Talk like application for your mobile phone. Talkonaut is available for three different mobile platforms: Symbian S60, Windows Mobile 5/6 and J2ME with MIDP-2.0. Talkonaut is known to be working on more than 500 different mobile handsets
Free-iSMS is an iPhone-style sms chat software for S60 3rd&5th.
Version 1.02 is a stable version for public. It fixes bugs of version 1.00 and v1.01 and adds some more new functions.
Free-iSMS displays your messages in threads, it can schedule your messages, and it can send fake messages to your inbox too
