TeamWave Workplace for Mac

From TeamWave Software:

TeamWave Workplace is an integrated groupware solution for Macintosh, Windows, and Unix that lets you easily and flexibly coordinates, collaborate and share information with colleagues across the Internet.Combining real-time groupware technologies such as shared whiteboards, chat rooms, and customizable groupware tools with a persistent work environment, TeamWave Workplace provides shared network places supporting any-time collaboration.