ICQ Mobile The official ICQ application for Java phones lets you chat with Facebook friends directly from ICQ, enables you to update your status on the go and get status updates from ICQ and Facebook friends !
Palringo Massenger After installing this the software will be updated to its latest version himself
Jimm MIDP1 Jimm is an ICQ clone for mobile devices with J2ME™ (MIDP) technology
SMOB SMOB is a simple messenger over Bluetooth. It is free and under GPL licence. I tested it on Motorola E1070 but it should work on every J2ME phone supporting JSR82
Radarspot Radarspot makes messaging, chatting and sending e-mail from your mobile phone easy!
MobiYard MobiYard a revolutionary new age mobile software allowing you to make Free Voice Message Calls to any mobile phone Worldwide, Send free Text Messages (SMS)to MobiYard Users, SMS dating service to find your date, SMS matrimonials