Horde Groupware is a free, enterprise ready, browser based collaboration suite. Users can manage and share calendars, contacts, tasks, notes, files, and bookmarks with the standards compliant components from the Horde Project. Horde Groupware bundles the separately available applications Kronolith, Turba, Nag Mnemo, Gollem, and Trean.
It can be extended with any of the released Horde applications or the Horde modules that are still in development, like a bookmark manager, or a file manager.
Please see the Horde Groupware Webmail Edition page if you are looking for a groupware suite including webmail support.
Features of Horde Groupware include but are not limited to:
Calendar:
Contacts:
Tasks:
Notes: