In Bb 2.0 is an interactive, collaborate, music-making dream.

LinkedIn offers Huddle Workspaces for teams to work together in a private, secure virtual environment with unlimited connections.

Create a work space for your team, share information, track activity and manage relationships inside and out of your organization across the web. ReadWriteWeb describes the application as "...part enterprise Twitter, part CRM and part Facebook for teams."

A diagramming tool anyone can use. Creately offers online diagram and design collaboration that's simple to use, share, and export without the hassle of multiple software tools.

This open source business platform simplifies collaboration and project management. Create an internal blog, share corporate news, organize tasks and communicate with colleagues via instant messenger.

Create your own "About Me" page or make a resume on the fly.

Utilize this free web conferencing tool to share and annotate documents with colleagues and clients. Meeting minutes are automatically generated at the end of each call.

A great, free web-based application that allows for quick collaboration. Hang out with up to 5 people, take notes, with file and screen sharing coming soon.