This documentation relates to CiviCRM version 3.1. It's not maintained anymore.
Current version of documentation.

Why is CiviCRM licensed under the AGPL?

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This page refers to outdated version of CiviCRM. Check current version of documentation.


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CiviCRM 3.1 Documentation

Support and Participation

Developer Resources


CiviCRM book!

Make sure to check out Understanding CiviCRM as well! You can also support this project by ordering a hard copy.

The Social Source Foundation believes that the CiviCRM community of users, partners, and developers should have certain rights to its software if they begin to interact with it. Since interaction with CiviCRM often occurs over a network, such as through an Application Service Provider (ASP) model, GNU GPL license does not fully protect their freedoms.

The concerns to protect the rights of those who interact with software through a computer network were addressed in the Affero General Public License, which adds section 2(d) to the GNU GPL 2, and in GNU AGPL 3, which is a GPL 3-compatible license from FSF.

CiviCRM 1 is licensed under the (old) AGPL, CiviCRM 2 is licensed under GNU AGPL 3.

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Creative Commons License
Except where otherwise noted, content on this site is licensed under a Creative Commons Attribution-Share Alike 3.0 United States Licence.