PcBoost
PcBoost is a tool for all that allows you to modify your computers settings to increase performance and speed. No modifications to your hardware are made and all adjustments and settings are done in an easy to use interface that a child could use. Most other cpu/computer enhancers promise that... You no longer have to put up with a slow computer as if it was normal, PcBoost is a high performance tune-up for your computer. ... Speed up your Windows environment with this tool, while fixing common problems that are halting your productivity.
http://www.pgware.com/downloads/pcboost.exe - 982Kb - Download - Screenshot

PCThrust
PCThrust is a tool for all that allows you to modify your computers settings to increase performance and speed. No modifications to your hardware are made and all adjustments and settings are done in an easy to use interface that a child could use. Most other cpu/computer enhancers promise that... You no longer have to put up with a slow computer as if it was normal, PCThrust is a high performance tune-up for your computer. ... Speed up your Windows environment with this tool, while fixing common problems that are halting your productivity.
http://www.swiftdog.com/downloads/pcthrust.exe - 902Kb - Download - Screenshot

Cpukiller3
This software slows down computers so you can run old legacy programs and games. It prevents runtime errors, and you can configure cpukiller to automatically launch your old software at a user-defined speed and automatically close. New Features: Completely new, more accurate, multithreaded slow... HotKey Support (you can start/stop/increase/decrease slow down routine and also lauch presets from launchbox) New cpu identification algorithm OSD support New graphics and animated traybar 1. ... New launchbox with cool graphics Automatic link generator to create shortcuts to the configured presets.
http://www.cpukiller.com/cpukil3.zip - 731Kb - Download - Screenshot

GameBoost
GameBoost is a tool for all that allows you to modify your computers settings to increase gaming and internet speed performance. No modifications to your hardware are made and all adjustments and settings are done in an easy to use interface that a child could use. ... Speed up your Windows environment and internet connection with this tool, while fixing errors that are in the way of your gaming. ... Are you tired of playing your favorite game only to find your computer isnt fast enough any longer?
http://www.pgware.com/downloads/gameboost.exe - 864Kb - Download - Screenshot

GameThrust
GameThrust is a tool for all that allows you to modify your computers settings to increase gaming and internet speed performance. No modifications to your hardware are made and all adjustments and settings are done in an easy to use interface that a child could use. ... Speed up your Windows environment and internet connection with this tool, while fixing errors that are in the way of your gaming. ... Are you tired of playing your favorite game only to find your computer isnt fast enough any longer?
http://www.swiftdog.com/downloads/gamethrust.exe - 826Kb - Download - Screenshot

Acceleration Startup Manager + Release RAM Bundle for Win9x
Are you like most PC users, who find that their computer is slow or unstable? You may find that you can't run many applications otherwise your computer will slow down. Alternatively, you may have a new computer, but it experiences random crashes and application freezes. ... Also Release RAM's Acceleration Startup Manager makes your computer start up faster and can make it much more stable by discovering applications that can cause crashes, lockups, and slowdowns of your computer. ... We guarantee the speed increase up to 150% and even more on slower systems.
http://www.acceleratedsoftware.net/regnow/rram2bundle.exe - 2Mb - Download - Screenshot

Acceleration Startup Manager + Release RAM Bundle for Win2k/XP
Are you like most PC users, who find that their computer is slow or unstable? You may find that you can't run many applications otherwise your computer will slow down. Alternatively, you may have a new computer, but it experiences random crashes and application freezes. ... Also Release RAM's Acceleration Startup Manager makes your computer start up faster and can make it much more stable by discovering applications that can cause crashes, lockups, and slowdowns of your computer. ... We guarantee the speed increase up to 150% and even more on slower systems.
http://www.acceleratedsoftware.net/regnow/rramxpbundle.exe - 2Mb - Download - Screenshot

GameGain
GameGain is a tool for all that allows you to modify your computers settings to increase gaming performance. No modifications to your hardware are made and all adjustments and settings are done in an easy to use interface that a child could use. No more frame rate glitches or slow downs can be... Speed up your Windows environment with this tool, while fixing errors that are in the way of your gaming. ... Are you tired of playing your favorite game only to find your computer isnt fast enough any longer?
http://www.pgware.com/downloads/gamegain.exe - 852Kb - Download - Screenshot

GameHike
GameHike is a tool for all that allows you to modify your computers settings to increase gaming performance. No modifications to your hardware are made and all adjustments and settings are done in an easy to use interface that a child could use. No more frame rate glitches or slow downs can be... Speed up your Windows environment with this tool, while fixing errors that are in the way of your gaming. ... Are you tired of playing your favorite game only to find your computer isnt fast enough any longer?
http://www.swiftdog.com/downloads/gamehike.exe - 808Kb - Download - Screenshot

RamCleaner
RamCleaner makes it easier than ever before to free up unused RAM, prevent crashes and increase performance. Are you tired of crashes, slow applications that run out of resources every 5 minutes? While using your PC, the executed programs and the used files are taking part of your RAM memory,... RamCleaner will help you get the most out of your computer without being a Windows expert. ... RamCleaner can recover the leaked memory to make your system work as fast as it was at the beginning.
http://www.benutec.com/download/ramcleaner_trial.exe - 672Kb - Download - Screenshot