Tridion GUI Extensions
How to install:
Method 1 - Copy the extension folder to Tridion install folder (usually Program Files x86\Tridion) --> Webroot\Editors. Example on how to make configurations and etc.. http://www.curlette.com/?p=1044
Method 2 - Put the folder in a zip archive and run the PowerShell installer (don't forget to run as Administrator).