Waver - Description: Google Wave is a great way to communicate and collaborate. Waver lets you:
Zoom - Equip your team with tools designed to collaborate, connect, and engage with teammates and customers, no matter where you’re located, all in one platform.
Rizzoma - Email and IM are linear contextless communication tools.
WebEx - Cisco WebEx Web Conferencing, Online Meetings, Desktop Sharing, Video Conferencing
BSI Knowledge Manager - Central document management & knowledge base
Skype - Stay in touch with your family and friends for free on Skype. Download Skype today to chat and call on desktop and mobile.