Walkaround - Walkaround is a variant of Wave, based on the Apache Wave code base, that runs on App Engine.
JabbR - A chat application built with ASP.NET and SignalR.
Unsee - The ability to open a chat session and message then delete it from history forever just like tlk.
MyENIGMA - MyENIGMA is an app that allows you to send text messages, videos, audio clips, photos, and files to your friends and family securely.
Rizzoma - Email and IM are linear contextless communication tools.
Worlize - Worlize is the platform that allows users to communicate with each other in a fun way and play games that are created by the users on this platform.