No specific info about version 4.2. Please visit the main page of HipChat on Mac Informer.
Say “hello” with an instant message, voice or video call – all for free.
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.
Chat Transcript Manager lets you index your iChat and Adium X chat transcripts.
Klink lets you share your Android device's Internet connection with your PC.