Kolab is a Groupware Solution for Emails, Appointments, Contacts and more. It supports mixed client environments (Outlook/KDE) because of an open storage format. Any email client speaking standard protocols can be served.

November 2005 Kolab won the Linux New Media Award: Category 'Best Groupware Server' [press release].

@Mail Groupware combines the ability to share Address-book and Calendar Items/Tasks among groups of users with optional permission levels (Read/Write and Read-Only). Empowered with an Outlook-to-webmail synchronization utility, allowing Contacts and Calendar data to be shared between Outlook 2003/2000 and the Web-client.

VideoMail features, allowing users to send and receive video-mail messages encoded in FLV/flash format. No obscure plugins required, only the ubiquitous Flash plugin (included in over 95% of browsers).