@Mail Groupware combines the ability to share address books, calendar items, and tasks among groups of users with optional permission levels. It provides a complete Web- based groupware system for users within your organization and provides an Outlook 2003/2000 to Web synchronization utility for Contacts and Calendar data.
Libral is an address book engine. It allows you to create your address books and to add personal and company cards to them. Data managed in a personal card include personal data (name, surname, address, etc.), Web links, email addresses, irc uris, telephone numbers, job information (company where the contact works, manager, collaborator, etc.), and notes. In a company card you can manage Web links, email addresses, telephone numbers, and notes. XML is used to store data. Libral can import addressbooks from GnomeCard, Kaddressbook, VCard, Evolution, and CSV.