Zabbix software is released under the GNU General Public License (GPL) version 2. The formal terms of the GPL can be found at http://www.fsf.org/licenses/.
You can redistribute it and/or modify it under the terms of the GNU GPL as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
For additional details, including answers to common questions about the GPL, see the generic FAQ from the Free Software Foundation at http://www.fsf.org/licenses/gpl-faq.html.
Zabbix is Free and Open Source Software, however, if you use Zabbix in a commercial context we kindly ask you to support development of Zabbix by purchasing some level of commercial support.
The Zabbix Manual is not released under GPL. Use of the Manual is a subject to the following terms:
- conversions to other formats is allowed, but the actual content may not be altered or edited in any way
- you may create a printed copy for your personal use
- for all other uses, such as selling printed copies or using (parts of) the Manual in another publication, prior written agreement from Zabbix LLC is required