PowerToys for Windows XP

PowerToys are useful programs developed to help Windows XP users.
Image Resizer
If you install this program and right click on any image(s),
"Resize Picture" option will come the menu.
You can download it here

Power Calculator
This can evaluate functions and draw graphs.
Some trigonometric functions are also included.
You can download it from here


Alt-Tab Replacement
Alt-tab plus preview facility.
Particularly helpful when multiple sessions of same application are open.


Their homepage is located here.