AeroDesktop is a system tray software that allows you to set transparency to your menus, windows, start menu and system tray. You can set different transparency value to each object. And also you can disable a spesific object's transparency.
Features:
* Set window transparency
* Set tray bar transparency
* Set Start Menu transparency
* Set menu transparency
* Start with Windows capability
* Work on XP/Vista
* Freeware

The license of this software is Freeware, you can free download and free use this desktop utility software.