GraphicEdit

Designed for users which want to include the header and footer to the login page. You can also change the design.
Links: <a href="http://graphicedit.com/" rel="nofollow ugc">Author Homepage</a>

Custom Login Css

Adding the header and footer to your login page.

Kalpesh Prajapati

Add tracking code on your website without hacking your theme file.
This plugin provide simple way to add your tracking code in html head or footer section of the site.
Also you can use different language. To change language you need to generate .po and .mo files.
<h4>Features</h4>
<ul>
<li>Add tracking code like Google analytics, Facebook pixel, thridpary script code to header & footer of your website.</li>
<li>Translation Compatible.</li>
</ul>

KP Tracking Code

This plugin used to add tracking code to header & footer section.

Custom Login Css vs KP Tracking Code