Fluid Icon Organize

Fluid Icon Organizer that allows you to quickly arrange icons on all four sides of your desktop, sort them according to name, age and usage, and lock them into place.

Once installed, the application starts automatically and runs in the background without any annoying desktop pop-ups, and does not cause any type of noticeable performance degradation. In order to use the tool, right-click on the desktop and you will find some newly added context menu options named Arrange, Lock Icons and Sort. By enabling the Lock Icons option, you can lock the icons in their current place so that they can't be dragged and placed elsewhere.

http://fluidiconorganizer.com/

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Note: The application might not work correctly if you have other icon management applications installed on the system, so you might have to uninstall any other such software before using Fluid Icon Organizer.
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Sourced from AddictiveTips