Firstclass.com

Firstclass.com
http://www.firstclass.com/Products/Tour/
http://en.wikipedia.org/wiki/FirstClass

FirstClass is a client/server groupware, email, online conferencing, voice/fax services, and bulletin-board system for Windows, Macintosh, and Linux. FirstClass's primary markets are the higher-education and K-12 education sectors, including four of the top ten largest school districts in the United States. The product is part of Open Text's ECM Suite and runs on Windows, Mac OS X and Linux platforms, for both client and server. An iPhone client application is also available. According to the company, the product is used at over 3,000 organizations and has 9 million users worldwide




http://www.youtube.com/user/OTFirstClass/videos?sort=dd&view=0&page=2

Many different videos but not one specific intro to the products... just browse through videos to get an idea if it's something for you. cheers