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OTRS (Open Ticket Request System) is a ticket eequest and email management system with many features to manage customer telephone calls and email. The system is built to allow your support, sales, pre-sales, billing, internal IT, helpdesk, etc. department to react quickly to inbound inquiries. It is useful for people who receive many emails and want to answer them with a team of agents.


User FAQ available from http://faq.otrs.org/otrs/faq.pl; English and German user manual available in HTML format from http://doc.otrs.org/1.3/en/html/


Download version 5.0.15 (stable)
released on 13 December 2016

Paid technical support and consulting available from http://www.otrs.de/

VCS Checkout

Password: cvs


Related Projects


LicenseVerified byVerified onNotes
GPLv2orlaterJanet Casey19 October 2004

Leaders and contributors

Martin Edenhofer Maintainer
See the CREDITS file in the distribution for a complete list Contributor

Resources and communication

Audience Resource type URI
Bug Tracking VCS Repository Webview http://bugs.otrs.org/
Developer VCS Repository Webview http://cvs.otrs.org/cvsweb.cgi/otrs/
Help E-mail mailto:announce@otrs.org
Developer E-mail mailto:dev@otrs.org
Support E-mail mailto:otrs@otrs.org

Software prerequisites

Kind Description
Weak prerequisite GD_Text
Required to use Net_DNS
Required to use LDAPv2-compliant server
Weak prerequisite GD_Graph
Required to use a database (ie MySQL or PostgreSQL)
Required to use DBI
Weak prerequisite GD_Graph_lines
Required to use Perl 5 or later
Required to use DBD_mysql
Weak prerequisite GD_Text_Align (all for statistics)
Weak prerequisite Net_LDAP (for using LDAP)
Required to use Digest_MD5
Weak prerequisite GD
Required to use MIME_Base64

This entry (in part or in whole) was last reviewed on 17 January 2017.


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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