Unsee - The ability to open a chat session and message then delete it from history forever just like tlk.
Hive - Seamless project management and collaboration for your team.
Chatango - Add free live chat to any web page. Chatango is a live group on your site
Sup! Standup Bot - The complete stand-up and follow-up bot
Walkaround - Walkaround is a variant of Wave, based on the Apache Wave code base, that runs on App Engine.
Asana - Asana project management is an effort to re-imagine how we work together, through modern productivity software. Fast and versatile, Asana helps individuals and groups get more done.