IT-Director.com | Open Groupware.org Completes Office Produc: "The seed technology for the OpenGroupware.org project comes from SKYRiX software AG. SKYRiX 4.1 Groupware Server code provides a good starting point with facilities for:
Project and document management including version control and support for a hierarchical organisation of objects and documents.
Fully integrated e-mail system with email filters and search.
Shared calendars including times zone support, notification via e-mail and the ability to capture conversation notes. "