Mike Schinkel

NewClarity

This plugin does what it names says; it omits page templates from the parent theme from the template dropdown when you are editing a “Page” in the WordPress admin.

Omit Parent Theme Page Templates

Omits Parent Page Templates from the "Page" edit screen in the WordPress admin.

Galaxy Weblinks

Display the page template name which is assigned to the page type on the page listing, also add an admin menu for showing all page template listings that we have added.
Here’s a link to the documentation for the plugin. This will help you learn more about its features and how to use it. 
<a href="https://wp-plugins.galaxyweblinks.com/wp-plugins/show-all-template/doc/" rel="nofollow ugc">Documentation</a>
For any feedback or queries regarding this plugin, please contact our <a href="https://wp-plugins.galaxyweblinks.com/contact/" rel="nofollow ugc">Support team</a>.

Show All Template

Display the page template name which is assigned to the page type on the page listing.

Omit Parent Theme Page Templates vs Show All Template