Custom Login Page Customizer plugin allows you to easily build and customize the layout of login page, admin login page, client login page from start to finish.
WordPress Custom Login Page Template Plugin customizes the default WordPress login page with different templates, logo and background uploads as well support for custom CSS.
Customize your admin login page: change the default logo and add your own logo. You also can add a custom text, load a css that is matched to your image's dimensions and edit the css for you needs.
Login Page by feather plugins allow you to brand & design your login pages easily with visual designer tool. Comes with pre designed login page templates so you can get a head start.