Disktrix's $30 utility lets you defragment hard drives and other storage devices a little or a lot--and view the contents of individual drive clusters, among other options.
WinContig brings selective file and folder defragmentation to Vista.
Improve the performance of XP and Vista--at least a little bit--by running its built-in disk defragmenter with your choice of command switches.
Page Defrag is a great, free program for defragging the Windows page file and other system files.
Tightening up the sectors on a drive storing hundreds of gigabytes may or may not boost your PC's performance, but it could extend your drive's life expectancy.
Deals don't get any cheaper than two bits, five cents, and free. Today's your lucky Thursday.
This top-rated optimization and repair utility comes with a six-month license -- more than enough time to get your PC in the pink again.
In honor of Valentine's Day, get this $20 utility free of charge. ASC Pro does a darn good job optimizing and repairing Windows and ferreting out malware.
The disk partitioning utility built into Windows 7 doesn't let you extend partitions to the left, so to enlarge your leftmost partition, you need a free repartitioning program.
You can find a better tool for just about any system task without paying a cent. Start with the firewall, which most people would consider an indispensable piece of software.