Ryan Hellyer

The <a href="https://geek.hellyer.kiwi/products/simplecms/" rel="nofollow ugc">Simple CMS plugin</a> converts your WordPress admin panel into a simple CMS. This is aimed at web designers who want to provide a simple adminstration panel for their clients to update basic static websites.
All extraneous admin areas which are unnecessary for a bare bones, basic CMS are removed from the administration menus.
Visit the <a href="https://geek.hellyer.kiwi/products/simplecms/" rel="nofollow ugc">Simple CMS page</a> for more information.
To help with theming, we have created a theme called <a href="https://geek.hellyer.kiwi/simple-cms-theme-update/" rel="nofollow ugc">Simple CMS theme</a> which is designed to simplify the design process for web designers by only implementing the features needed for a basic static site. The theme is not designed to look pretty, but is a practical, simple theme to build your own designs from … <a href="https://geek.hellyer.kiwi/simple-cms-theme-update/" rel="nofollow ugc">Simple CMS Theme</a>
<h3>History</h3>
Version 2.0.2: Updated supported to notice 
Version 2.0.1: Documented support for newer versions of WordPress and updated domain 
Version 2.0: Removed block prevent excerpts from appear for static pages 
Version 1.9: Added support for setting a constant of ‘SIMPLECMS_EVERYBODY’ in wp-config.php to simplify the administration panel for admins and super admins too 
Version 1.7.1: Major rewrite. Moved to OOP approach. Added support for removing admin bar menu items. Added support for removing extraneous meta boxes. 
Version 1.7.1: Version compatibility change and minor documentation updates. 
Version 1.7: Major bug fix. Prevented running script for admins. 
Version 1.6: Major bug fix. Add add_action() call to make plugin actually work. Also added HTML comments in header. 
Version 1.5: Total rewrite. Uses PHP to remove administration menus instead of hiding via CSS. 
Version 1.4.1: Beta: Beta release; uploaded to WP plugins repository 
Version 1.4 Alpha: Total rewrite for WP 2.7 
Version 1.3.3: Folder name bug fixed 
Version 1.3.2: Page order bug fixed 
Version 1.3.1: Media uploader bug fixed 
Version 1.3: Fixed WordPress.org related bug and changed branding 
Version 1.2.4: Fixed HTML bug 
Version 1.2.3: Updated for WP 2.5 RC2 and removed menu options which can’t be accessed by editors 
Version 1.2.2: Gallery/Media link bug fixed 
Version 1.2.1: Improved documentation ready for WordPress plugins repository 
Version 1.2 Beta: Added options panel for modifying menu 
Version 1.1 Beta: Set so that Administrators keep regular WordPress panel, Editors and below have new panel 
Version 1.0 Beta: Initial release 
Version 0.9 Alpha: Barely functioning plugin
<h4>Credits</h4>
Thanks to the following for help with the development of this plugin: 
* <a href="http://fgw.org.nz/" rel="nofollow ugc">Natasha Munro</a> – number one alpha tester 
* Dennis – Bug report 
* Tantric – Bug report

Ryans Simple CMS

The Simple CMS plugin converts your WordPress admin panel into a simple CMS. This is aimed at web designers who want to provide a simple adminstration …

Josh Pollock

Ben Meredith

Jason Bahl

Headless mode sets up a redirect for all users trying to access the site. The only requests that are granted admission are ones that are either trying to access the REST API, the WP GraphQL API, or any logged-in user looking to access the headless install to edit or create posts.

Headless Mode

This tiny plugin works exactly as intended. 

Simple to set up and works great!

Once you take the head off of WordPress, nobody needs to see it. This plugin hides the front end by redirecting to the shiny static (etc) site.

Ryans Simple CMS vs Headless Mode