GeekTool is a small Preference Pane application that allows you to display information you want on your Mac OS 10.5 desktop. Every geek wants to customize his computer the way he likes it. With the help of GeekTool you can now display shell script output, space available on your disk, up-time, images, etc., easily. It is a free application and you can also download source code if you want to customize it.

The interface of GeekTool is very simple and so you can make your choices quickly. The shell tool mode of this application allows you to monitor up-time, file systems, your computer load, etc. This is the most powerful and interesting mode in GeekTool.

File Plug-in helps you to display operating system activity in real time with /var/log/system.log or you can choose to follow any file you like. You can monitor your iTunes, ip addresses and many more. You can also customize the way font size, color and style look in the window frame.

You can display images of your family or about anything float on your screen. This is what makes GeekTool very special. You can choose to have any file floating on your screen and you can also choose to display those files on every window if you like.

GeekTool allows you to move entries as you like. You can place them in the center, left, right or top anywhere you feel comfortable. GeekTool is one such application which makes you feel that you are a real geek out there.