PKSArena BluChat - bluetooth based chat application. Enjoy unlimited chats with other users of PKSArena BluChat. Using this application, users can send unlimited messages between themselves (over bluetooth) without incurring any data transfer or sms charges. The source code for PKSArena BluChat is completely open source
kIRC is a totally free mobile application (client) for connecting to any IRC server. kIRC allows you to login to an IRC server, enter multiple channels at the same session, talk in the channels and with individuals and receive others' messages and easily keep the track of active channels and switch between them
M-IM - GoogleTalk and Jabber client for mobile phones.
· Connect to GoogleTalk or ANY XMPP / Jabber compliant service
· Sound and/or Vibrate notifications for new messages
· Multiple profiles (connect to one account only at a time)
· Chat via GPRS, EDGE, 3G and 3
With LoveWorldChat users can communicate using quick status updates of 140 characters or less. This free flowing dialogue lets you send messages, pictures and video to anyone! It`s also easy to find and connect with other people for private threads and to keep track of their updates. All this and more in a simple interface
moJab - moJab is a Jabber client for mobile phones with Java2 Mobile Edition (J2ME) support. It is designed to be small and easy to use.
It has been designed for the Siemens M55 and S55 models but it should work with any phone supporting J2ME and MIDP 1.0