SimpleIRC - A versatile IRC client optimised for the Nokia N97, 5800 XpressMusic and other Nokia S60 touch devices. It is also compatible with other Java ME devices, but it has not been fully tested. Bug reports, suggestions and feedback are welcome and can be directed to the support forums at http://rigfoundry.com/forums/7. The full version for touch devices only (for now) is available for purchase from the Ovi Store at http://store.ovi.com/content/730162B735C3D19EE040050A853249BD
kankaMSN KankaMSM is an instant messaging software that enables you to chat with everyone who uses MSN or Windows Live Messenger
IQ Online Buddy Spanish IQ Online Buddy - Small, easy to use software to find out if your friend is hiding from you on Yahoo Messenger
OnChat by AfMob Send the cheapest SMS messages anywhere via your Mobile Data Plan avoiding all of those silly charges from your carrier
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kIRC KIRC is a totally free mobile application (client) for connecting to any IRC server
Telegram Java Bot Bots are third-party applications that run inside Telegram. Users can interact with bots by sending them messages, commands and inline requests. You control your bots using HTTPS requests to bot API