No specific info about version 1.2. Please visit the main page of Yakyak on Mac Informer.
iMessage lets you send messages to anyone on a Mac, or an iPhone, iPad, or iPod touch running iOS 5.
Franz is a messaging application designed for Mac.
Allows you to communicate and share files with others.
Rocket.Chat is a Web Chat Server, developed in JavaScript.
Facilitates collaborative work by allowing communications and file sharing.