ProcessWire software license

ProcessWire is a pure open-source CMS licensed under the Mozilla Public License 2.0. When indicated in the file header, the MIT license is also used by ProcessWire.

For your own original code/files, you are not required to maintain the same license. Third party modules, your own templates, and your own site profiles may use different licenses at your discretion, so long as they are not incompatible with those used by ProcessWire. Third party libraries used by ProcessWire specify their own compatible license in file headers or in a LICENSE.* or README.* file present in the same directory. Files native to ProcessWire that do not indicate license in file header or in the directory can be assumed to be MPL 2.0 (Mozilla Public License v2.0).

  • MPL 2.0 License

    Most files in the ProcessWire core source code use the Mozilla Public License, version 2.0.
  • MIT License

    Some specific components in ProcessWire core use the MIT license (where specified).
  • 3rd party files

    Third party files may in ProcessWire may specify their own license. This page contains more details.
  • CLA

    ProcessWire Contributor License Agreement (CLA), based on the language from the GitHub CLA.

Twitter updates

  • ProcessWire 3.0.161 adds support for selector operator stacking, enabling you automatically broaden searches in a single pages.find() call— More
    26 June 2020
  • ProcessWire 3.0.160 adds powerful new text-searching operators, bringing a new level of power to page-finding API calls, especially when it comes to search engine type queries. Post also includes a demo search engine where you can test it all out live— More
    19 June 2020
  • Preview of ProcessWire 3.0.160 with auto-enable of two-factor authentication, new version of TfaEmail and TfaTotp, and new selector operators coming next week. More
    12 June 2020

Latest news

  • ProcessWire Weekly #319
    In the 319th issue of ProcessWire Weekly we're going to check out the latest core updates, introduce a couple of new third party modules, and highlight the downright stunning new website of Studio Pixelgold. Read on!
    Weekly.pw / 21 June 2020
  • Powerful new text-searching abilities in 3.0.160
    In ProcessWire 3.0.160 we’ve got some major upgrades and additions to our text-search abilities. This brings a whole new level of power to $pages->find() and similar API calls, especially when it comes to search engine type queries.
    Blog / 19 June 2020
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“The end client and designer love the ease at which they can update the website. Training beyond how to log in wasn’t even necessary since ProcessWire’s default interface is straightforward.” —Jonathan Lahijani