Walkaround - Walkaround is a variant of Wave, based on the Apache Wave code base, that runs on App Engine.

FileInvite - Stop chasing your clients for documents! Easily request files, documents, forms & signatures from your clients – set a due date and save hours as your requests are returned to you effortlessly.

Unsee - The ability to open a chat session and message then delete it from history forever just like tlk.

Clinked - White-label Client and Team Workspace

Rizzoma - Email and IM are linear contextless communication tools.

iDeals Virtual Data Room - iDeals Virtual Data Room is a tool that provides secure access to large amount of confidential documents and can view, analyze and collaborate in a protected environment.