AltME

AltME--private chat, group chat, with instant applications like checklists & calendars. The Alternative Messaging Environment is a powerful yet easy-to-use communication system. It quickly downloads and runs on your own PC where you are the master with full control over users. Security is provided through encrypted data transfer and authenticated user logon. This is the perfect system for small groups of people who need to communicate ideas and information quickly and privately. Teachers can share homework assignments and answer questions. Non-profits can organize their fund raising efforts. A group of friends can chat without the worry of uninvited participants. AltME has a built-in update feature so you are always running the most current version.