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OBM is a groupware, email, LDAP, CRM, and project management application.

It is mainly used as an Exchange or Notes/Domino groupware and mail server replacement, as an LDAP directory, as a contact and customer database, as a project management tool, or as any combination of these functions. It provides groupware (calendars, contacts, and tasks) connectors for Outlook, Thunderbird/Lightning, and mobile devices. It supports internationalization and themes. It is highly scalable, and is used by sites from five to many thousands of users.


* Getting started

"IRC irc:// " IRC general channel

Related Projects


LicenseVerified byVerified onNotes
AGPLv3jdenz4 December 2014

Leaders and contributors

Linagora Maintainer

Resources and communication

Audience Resource type URI
Bug Tracking Bug Tracking

Software prerequisites

Kind Description
Required to use Apache
Required to use MySQL
Required to use PHP

This entry (in part or in whole) was last reviewed on 4 December 2014.


Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the page “GNU Free Documentation License”.

The copyright and license notices on this page only apply to the text on this page. Any software or copyright-licenses or other similar notices described in this text has its own copyright notice and license, which can usually be found in the distribution or license text itself.

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