No specific info about version 2.6. Please visit the main page of Wickr on Mac Informer.
iMessage lets you send messages to anyone on a Mac, or an iPhone, iPad, or iPod touch running iOS 5.
Say “hello” with an instant message, voice or video call – all for free.
Allows you to communicate and share files with others.
Rocket.Chat is a Web Chat Server, developed in JavaScript.
Yakyak is an open source chat client for Google Hangouts.