No specific info about version 2.2. Please visit the main page of ChatBot on Mac Informer.
Audio/video chat with people all over the world.
X-Chat Aqua is a freeware Mac OS X IRC client created by Steve Green.
Rocket.Chat is a Web Chat Server, developed in JavaScript.
Yakyak is an open source chat client for Google Hangouts.
Chat Transcript Manager lets you index your iChat and Adium X chat transcripts.