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Comment (module for Omeka S)

New versions of this module and support for Omeka S version 3.0 and above are available on GitLab, which seems to respect users and privacy better than the previous repository.

Comment is a module for Omeka S that allows users and/or public to comment resources. It includes both ReCaptchas and Akismet spam detection if needed. Comments can be flagged and moderated.

Comment can be displayed in public view or not, allowing librarian to comment the resource themselves, publicly or privately.

Note: Akismet requires a dependency that is not installed automatically.

The aim of this module is to provide the same type of features than the Omeka Classic Commenting plugin. It can be upgraded automatically via the plugin Upgrade To Omeka S.


First, install the two optional modules Generic and Blocks Disposition.

Uncompress files and rename plugin folder Comment.

See general end user documentation for Installing a module and follow the config instructions.


The comment module makes use of both ReCaptchas and the Akismet spam-detection service. You will want to get API keys to both of these services and add them to Omeka S main configuration for ReCaptchas key on inside the main settings page.

If not enabled, a simple anti-spam is available too.

Displaying Comments

The comments are displayed automatically on item set, item or media pages. To manage the display more precisely, use the module Blocks Disposition, or add the following code in your theme:

<!-- Via a standard partial. -->
<?php echo $this->partial('common/comment', ['resource' => $resource]); ?>

<!-- Or via the helpers. -->
<div id="comments-container">
    <?php echo $this->showComments($resource); ?>
    <?php echo $this->showCommentForm($resource); ?>

The structure of comments, the comment itself, and the comment form can be themed.

In the admin board, the comments are available in the details of the browse pages and in the show pages of each resource. They can be filtered and managed in the main comment page.

Use Cases

Limited, moderated commenting

An institution wants only trusted people to leave comments for anyone to read. It doesn’t trust some of them enough to allow comments to be automatically public.

The comments can be moderated by the global admin, the site admin, the editor or the reviewer.

Open commenting, with registered users getting to submit comments without approval

Install and configure the Guest module. Set commenting to Public so that anyone can comment.

Closed commenting for resources management

It’s possible to comment resources internally, for example to improve the quality of metadata, or in a discussion between an author and a reviewer.


  • Move some parameters from main settings to site settings.
  • Convert comment into annotations (module Annotate).
  • Manage comments with module Guest.


Use it at your own risk.

It’s always recommended to backup your files and your databases and to check your archives regularly so you can roll back if needed.


See online issues on the module issues page on GitLab.


This module is published under the CeCILL v2.1 license, compatible with GNU/GPL and approved by FSF and OSI.

This software is governed by the CeCILL license under French law and abiding by the rules of distribution of free software. You can use, modify and/ or redistribute the software under the terms of the CeCILL license as circulated by CEA, CNRS and INRIA at the following URL "".

As a counterpart to the access to the source code and rights to copy, modify and redistribute granted by the license, users are provided only with a limited warranty and the software’s author, the holder of the economic rights, and the successive licensors have only limited liability.

In this respect, the user’s attention is drawn to the risks associated with loading, using, modifying and/or developing or reproducing the software by the user in light of its specific status of free software, that may mean that it is complicated to manipulate, and that also therefore means that it is reserved for developers and experienced professionals having in-depth computer knowledge. Users are therefore encouraged to load and test the software’s suitability as regards their requirements in conditions enabling the security of their systems and/or data to be ensured and, more generally, to use and operate it in the same conditions as regards security.

The fact that you are presently reading this means that you have had knowledge of the CeCILL license and that you accept its terms.


  • Copyright Daniel Berthereau, 2017-2021 (see Daniel-KM on GitLab)


Module for Omeka S to add public and/or private commenting on item sets, items and media and to manage them.








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