20 Third-Party Plugins

Last updated: September 18, 2019

For security, compatibility and performance reasons, Pressbooks restricts the range of third-party plugins that are included on our hosted networks. Anyone interested in using a particular WordPress plugin with our hosted offering of Pressbooks is welcome to submit a plugin request. All requested plugins undergo a review process and are evaluated with reference to our plugins policy.

Please see below for a list of plugins evaluated to date and the results of the evaluation. We update this list on a quarterly basis (see the top of the document for a “last updated” date).


The following third-party plugins have been tested and approved for use on Pressbooks-hosted networks.

Note: Available plugins may differ based on service level. Some plugins listed below are part of the Pressbooks hosting stack and may not be administered by network managers.

* Requires subscription.

Requested, need further development or investigation

  • Enhanced Media Library
    This plugin was requested by an open-source Pressbooks user. In response to this initial question, Pressbooks changed the way that it filters approved and disapproved taxonomies for users. The plugin notes some general compatibility risks. Because this plugin was not requested by a network manager on one of our hosted networks, we have not thoroughly tested this plugin for compatibility with our method for organizing uploaded files.
  • Enable Media Replace
    This plugin was requested by a PressbooksEDU client to help users replace images in the media gallery without downloading, renaming, and re-uploading files. The request is currently under investigation.


The list of disallowed plugins below is not a judgement on the quality or suitability of these plugins for various use cases. Plugins are generally disallowed because: they are incompatible with the Pressbooks application in a non-trivial way, they duplicate functionality that exists within the Pressbooks application, or they do not meet the performance requirements of our enterprise hosting service.


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The Pressbooks Network Manager's Guide by Pressbooks is licensed under a Creative Commons Attribution 4.0 International License, except where otherwise noted.

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