Joomla! is now on the WC Authoring Tools List

Joomla! by Open Source Matters, Inc

Joomla! is an open-source CMS used to create and manage websites. It is written in PHP / MySql. Joomla! is open Source and completely developed and maintained by volunteers. It enables inidividual users and agancies building reliable, fast and accessible websites. It is released under the GNU General Public License.

License: free.

Accessibility information: https://www.joomla.org/accessibility-statement.html.

Web-based functionality is accessible.
Alternative content available to editors.
Works with keyboard.
Content can be navigated by structure.
Content searchable .
Supports display preferences.
Previews are accessible.
Generates accessible markup.
Accessible content production is possible.
Editors guided.
Text alternatives can be managed.
Accessible templates available.
Accessible components/plug-ins available.
Provides suggestions to content editor about accessibility problems.

Enough time.

Note: Session time is a global parameter and can be changed, users cannot change the session time.

Helps editor prevent and correct mistakes.

Note: Users can revert changes using a content history. They can use an accessibility checker for their content before publishing.

(Accessibility) features documented.

Note: This is work in progress.

Checks accessibility automatically.

Note: The user can activate a check. It is not performed automatically.

Editing-view presentation can be programmatically determined.
Preserves accessibility information.
Accessibility features prominent.