Ninos

Designed for users which want to include the header and footer to the login page. You can also change the design. Just create a wp-custom-login.css in your theme directory.

WP Custom Login

Requires at least: 3.2.1 Tested up to: 4.6 Stable tag: 1.4.9 Adding the header and footer to your login page.

Obadiah

This plugin offers customization options for the WordPress login screen, including the ability to replace the default WordPress logo with a custom logo that links to the user’s homepage. There are custom color settings for all elements on login page. Additionally, the plugin improves login security by removing error messages upon failed login attempts.
To utilize the custom logo feature, users should first upload their logo (ideally as a transparent PNG) to their media library where the URL can by copied. Install the plugin and go to the settings page. Enter the URL. Enter width and height of logo, if different from defaults. Click “Save Changes”.

Super Custom Login

This plugin enables users to personalize their WordPress login screen by replacing the default WordPress logo with their own custom logo.

WP Custom Login vs Super Custom Login