ErtyGi

Prima Posizione Srl

Through the Google Experiments and Easy Split Test Tab you can be able to create your perfect website. 
A website that reaches purposes easly through the experiments. 
Helps to decide which pages generate greater results in the completion of a goal (the sale of a product, sending a request etc..).
The plugin keeps track of all the experiments within your site.
Translations included for:
<ul>
<li>Italiano</li>
<li>English</li>
</ul>

Easy Split Test Tab

This plugin help you and Google Analytics to create experiments that test which version of a landing page leads better.

iTux

Paperthin.de

This plugin indicates progress made on books.
Important: Your theme needs to support widgets to show the progressbar in the sidebar/widget area.
Major features in Progressbar (Edition for Readers) 0.6 include:
<ul>
<li>Added: Support for new WP 3.5 media library.</li>
</ul>
<h3>Special Thanks</h3>
A big thank you goes out to @plueschsarg, because she is as she is.
Special thanks to @bookexhibitionism, @methinksabout, @MortalBookshelf and @xCrini for their input during the development of this plugin.
Additional a big thanks to all the users, especially to @buchsaiten, @ichbinkreativ, @nina2null and @WhiteSences.

Progress Bar (Edition for Readers)

This plugin indicates progress made on books.

Easy Split Test Tab vs Progress Bar (Edition for Readers)