ProcessWire software license

ProcessWire is a pure open-source CMS that uses a business friendly Mozilla Public License.

ProcessWire 3.x primarily uses the MPL 2.0 license, but also designates some files as using the MIT license. Both are business friendly and do not require you to maintain the same license for your own original code/files. Regardless of ProcessWire version, 3rd party modules, templates and site profiles may use different licenses at author discretion.

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 to not indicate license in file header or in the directory can be assumed to be MPL 2.0.

  • 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 3.0.144 and 3.0.145 add improved field template context override settings and include a new Inputfields API, along with numerous other issue fixes, optimizations and improvements to the core. More
    8 November 2019
  • ProcessWire 3.0.144 core updates: Upgraded overrides section in the field editor, a new Inputfields JS API, and more— More
    1 November 2019
  • ProcessWire 3.0.143 core updates — 26 commits and 18 resolved issue reports, plus some other useful improvements and additions. More here: More
    25 October 2019

Latest news

  • ProcessWire Weekly #287
    In the 287th issue of ProcessWire Weekly we'll talk a bit about the latest core versions 3.0.144 and 3.0.145, introduce a third party module called Sanitizer EasySlugger, and publish a new #processwireworks poll. Read on!
    Weekly.pw / 9 November 2019
  • ProcessWire 3.0.145 core updates
    ProcessWire 3.0.144 and 3.0.145 add improved field template context override settings and include a new Inputfields API, along with numerous other issue fixes, optimizations and improvements to the core.
    Blog / 8 November 2019
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“To Drupal, or to ProcessWire? The million dollar choice. We decided to make an early switch to PW. And in retrospect, ProcessWire was probably the best decision we made. Thanks are due to ProcessWire and the amazing system and set of modules that are in place.” —Unni Krishnan, Founder of PigtailPundits