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.

bogdananton24

The Custom 404 Redirect allows you to easily manage 404 page redirects within your WordPress site. You can choose to either leave the default 404 behavior or redirect users to a specific custom page.
Features include: 
– Enable/disable 404 redirects with a simple switch. 
– Option to redirect to a custom page. 
– Easy to configure settings page in the WordPress admin area. 
– Includes a PayPal donation link to support further development.
This plugin is perfect for site owners who want to control the user experience when a 404 error occurs.

Custom 404 Redirect

Easily manage 404 redirects by redirecting users to a custom page or leaving the default 404 behavior.

WP Custom Login vs Custom 404 Redirect