Skip to content


Switch branches/tags

Name already in use

A tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Are you sure you want to create this branch?

Latest commit


Git stats


Failed to load latest commit information.
Latest commit message
Commit time

What is Horde Groupware Webmail Edition?


Horde Groupware Webmail Edition is a free, enterprise ready, browser based communication suite. Users can read, send and organize email messages and manage and share calendars, contacts, tasks and notes with the standards compliant components from the Horde Project. Horde Groupware Webmail Edition bundles the separately available applications IMP, Ingo, Turba, Kronolith, 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 file manager, a bookmark manager, a forum or a wiki.

This software is OSI Certified Open Source Software. OSI Certified is a certification mark of the Open Source Initiative.

1   Obtaining Horde Groupware Webmail Edition

Further information on Horde Groupware Webmail Edition and the latest version can be obtained at

2   Documentation

The following documentation is available in the Horde Groupware Webmail Edition distribution:

README:This file
doc/CHANGES:Changes by release
doc/CODING_STANDARDS:Coding standards for Horde projects
doc/CONTRIBUTING:How to contribute to Horde
doc/CREDITS:Project developers
doc/INSTALL:Installation instructions and notes
doc/PERFORMANCE:Performance guide
doc/RELEASE:Release process notes
doc/SECURITY:Security notes
doc/UPGRADING:Pointers on upgrading from previous Horde Groupware Webmail Edition versions

3   Installation

Instructions for installing Horde Groupware Webmail Edition can be found in the file INSTALL in the doc/ directory of the Horde Groupware Webmail Edition distribution.

4   Assistance

If you encounter problems with Horde Groupware Webmail Edition, help is available!

The Horde Frequently Asked Questions List (FAQ), available on the web at

The Horde Project runs a number of mailing lists, for individual applications and for issues relating to the project as a whole. Information, archives, and subscription information can be found at

There is no separate mailing list for Horde Groupware Webmail Edition, please contact the mailing list of the component you have problems with, or the Horde mailing list for general problems and questions.

Lastly, Horde developers, contributors and users also make occasional appearances on IRC, on the channel #horde on the freenode Network (

5   Licensing

For licensing and copyright information, please see the file LICENSE in the Horde Groupware Webmail Edition distribution and the LICENSE files in the imp, ingo, kronolith, turba, nag and mnemo subdirectories.


The Horde Groupware Webmail Edition team