InfraChat is the first, multi-mode IR chat program for Palm OS. It's perfect for when you just can't talk, and need to relay a messege. It features three modes for chatting, Text, Picture and both. It is also low on memory usage, using only 83K. InfraChat 8.1 is simply an update to 8, which provides OS 6 compatibility and fixes the Hi-Res screen problem
Uni Chat - This PalmOS applications allows you to chat in absolutely noiseless environments.
OK, a room full of students "listening" to a lecture is never quiet...
But if sitting several seets separated this software has proven to be useful for conversation
Causerie Unified Messenger - Premier Edition - Causerie is "Unified Instant Messenger" solution interacting seamlessly across all major instant messaging service networks such as MSN, Yahoo, AOL, ICQ and Jabber. You can connect to your Yahoo, MSN, ICQ and AIM accounts all at once
IM+ for Lotus Sametime (Palm OS) - With IM+ for Lotus Sametime you can communicate from mobile devices as easy as you do with desktop client. As a native desktop application from IBM, in addition to Lotus Sametime messenger IM+ supports connection to public AOL network
Webmessenger - Mobile Instant Messenger for Jabber (Palm OS) - Leveraging its rich featured Mobile Instant Messaging client for Palm, Webmessenger has created an XMPP compatible client for Palm to allow Jabber users to also enjoy the features and benefits of a native Jabber client. You just need an account on an existing Jabber server (jabber.com, jabber
Babilejo is a program for wirelessly chatting in Esperanto on your Palm VII (or similar systems).
The Babilejo program interfaces with the Esperanto chatroom, Karelia Babilejo. Since the Karelia Babilejo also interfaces with other IRC-based chatrooms, you are able to chat with many frinds from anywhere you have Palm VII service