This plugin offers you the ability to add custom page template files to your WordPress installation without having to manage theme folders or use a ftp client. Simply upload the custom template file you have been working on and it will be registered with WordPress as a template option for your pages. This plugin is straight to the point and has a clean user interface using W3.CSS.
Plugin menu is located under ‘Appearance’ menu.
Attribution: This post online and code on github by wpexplorer: http://www.wpexplorer.com/wordpress-page-templates-plugin/ https://github.com/wpexplorer/page-templater