Shrink PNG Images with PNGGauntlet for Windows 7
shrink png images which is the same thing as to compress png images with PNGGauntlet or PunyPNG
windows 7 freeware
Defrag your Windows PC For Free with Defraggler
Piriform’s Defraggler program is a decent piece of freeware that does a good job and is very fast. It also allows you to schedule your defrag jobs.