DuoGeek

Tired of watching the same WordPress login page every time? Need to change logo at the top of login form? Want custom background on login page? Want lots of other really necessary stuffs? This plugin is the best and most easy way to customize your WordPress default login page.
Features 
1. Set custom background image 
2. Upload or give custom image URL for custom login background 
3. Set custom color as login page background 
4. Set custom logo above login form 
5. Upload or give custom image URL for custom login logo 
6. Remove “Remember Me” link 
7. Remove “Lost Password” link 
8. Remove “Back To…” link 
9. Set custom URL where users will be redirected after LOGIN 
10. Set custom URL where users will be redirected after LOGOUT 
11. Add custom message over the login box 
12. Set custom font color for login box text 
13. Set login box background color

Easy Custom Login

You can fully customize your WordPress login page with Easy Custom Login plugin.

While working with WordPress sites, you may feel the need for renaming or re-arranging WordPress menus. With this plugin, you can do it with just couple of clicks. You don’t need to write a single line of code for changing menu names and re-arranging their position in the left menu panel.
You can also change color and lots of other stuffs in the paid version.
Features 
1. Change any menu name 
2. Re-arrange menus as you want 
3. Very easy user interface 
4. Beautiful Design 
5. Simple to use

Custom Admin Menu

Custom Admin Menu is the best plugin for managing your WordPress Dashboard Menus.

Easy Custom Login vs Custom Admin Menu