The OPEN-XCHANGE Collaboration and Integration Server Environment allows you to store appointments, contacts, tasks, mails, bookmarks, documents, and many more elements and share them with other users. This environment can be accessed via any modern web browser and multiple fat clients like KDE Kontact, Apples iCAL, Konqueror, Mozilla Calendar, any many more, based on open standards and interfaces.
If you download OXlook, then OPEN-XCHANGE can also be accessed via MS Outlook and Palm devices. Browse the Wiki and the download section for further information.
Every 3rd party product can access this application over many different interfaces such as WebDAV (XML), LDAP, iCal, and HTTP/S. This makes the OPEN-XCHANGE application a powerful product which can be used in many of different business and private areas successfully delivering access to e-mail and distributed groupware functions.