http://www.zionsoftware.com/...
JBuddy requieres Java to run here is an example to run it under OS/2:
"x:java142injava.exe -cp JBuddyMessenger.jar;JBuddyMessengerResources.jar;lax.jar com.zion.apps.messenger.Chat"
" JBuddy Messenger is a full featured Enterprise IM client with support for the most popular IM services.
JBuddy Messenger Features:
# Clean interface
# Enterprise Instant Messaging protocols: Jabber, Lotus Sametime, JBuddy Messenger
# Public Instant Messaging protocols: AIM, MSN, Yahoo and ICQ
# Archive chat history as searchable content
# Consistent GUI on Java 2 Standard Edition (J2SE) enabled desktops and PDAs including Windows 98, NT, 2000, XP, Mac OSX, Solaris, Linux, OS/2, and many others
# Flexible GUI through several Look and Feel preference settings"
Source: OS2.jp