Project Mango
Project Mango is complete groupware software, based on Geeklog code but with many new additions.
Main features will eventually include:
Multiple "communities" which users can be members of, each community will have it's own news, file system, and event system.
Complete event system which allows users to manage their own time, and add to community calanders (similar to Outlook).
File system, which allows communites to share files such as word documents.