Site Maintenance Mode is a simple plugin that allows you to put your WordPress site into maintenance mode. It will show a maintenance message to all non-logged-in users while allowing logged-in users to access the site normally.
<h3>License</h3>
This plugin is licensed under the GPLv2 or later. For more information, please see <a href="http://www.gnu.org/licenses/gpl-2.0.html" rel="nofollow ugc">http://www.gnu.org/licenses/gpl-2.0.html</a>.

Sim Site Maintenance

Puts the site in maintenance mode for all non-logged-in users.

Adnan

WPBrigade

Muhammad Irfan

Abdul Wahab

Under Construction, Coming Soon & Maintenance Mode plugin makes you create or set up Maintenance Mode Page, Coming Soon Page, or Under Construction Page for your upcoming new WordPress website.
This Under Construction plugin is a simple & easy to use WordPress plugin and works with any WordPress theme and plugin.
With this plugin, you can create a maintenance mode landing page without any coding skills. It’s a completely free WordPress plugin.
Features
<ul>
<li>Can easily change or upload any background image.</li>
<li>You can easily disable the Under Construction for your different roles (Admin, Editor, Author, Subscriber, Customer, Shop Manager, or any other role).</li>
<li>You can easily upload the logo and set the Height and width of your Logo</li>
<li>Easily update the content of your page that includes Main header text and Subheading text, including text color.</li>
<li>You can also add social media icons and links to your landing page.</li>
<li>Can add custom CSS to customize the design of your landing page.</li>
<li>With UCMM you can easily apply SEO on your page that includes (SEO Title, Description, Keyword, SEO URL, SEO Site Name, and SEO Author name)</li>
<li>UCMM plugin also allows you to add the Google Analytics Tracking Code to your landing page for tracking.</li>
<li>You can also set your Maintenance mode starting and ending date with the UCMM plugin.</li>
<li>You can easily preview your page in the UCMM customizer before activation.</li>
<li>Page created with this plugin is fully mobile-friendly (responsive).</li>
</ul>
If you find our plugin useful, please leave a good rating/review and check our other plugins.
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<li><a href="https://loginpress.pro?utm_source=ucmm-org&utm_medium=readme&utm_campaign=pro-upgrade" rel="nofollow ugc">LoginPress</a> – For Custom login page and login page security</li>
<li><a href="https://simplesocialbuttons.com?utm_source=ucmm-org&utm_medium=readme&utm_campaign=pro-upgrade" rel="nofollow ugc">Simple Social Buttons</a> – Plugin for Social share buttons and social icons</li>
<li><a href="https://wordpress.org/plugins/related-posts-thumbnails/" rel="ugc">Related Posts Thumbnails Plugin</a> – For related posts/products</li>
<li><a href="http://wpbrigade.com/recommend/maintenance-mode?utm_source=ucmm-org&utm_medium=readme&utm_campaign=pro-upgrade" rel="nofollow ugc">Under Construction, Coming Soon & Maintenance Mode</a> – Plugin for Under construction & Coming soon page</li>
</ul>

Under Construction, Coming Soon & Maintenance Mode

Easy to set up while I had to rebuilt my site from e107 to word press.  Thanks again

Glad I Found the plugin.

Under Construction is a simple plugin for setting up Under Construction, Coming Soon and Maintenance Mode using WordPress Customizer.

Sim Site Maintenance vs Under Construction, Coming Soon & Maintenance Mode