Free Net Speeder Lite
Free net speeder lite keep your connection secure, prevent automatic disconnections. Add more speeds greater than 115200 to your modem settings. Speed up your connection without any networking or communication background requirements. Detect your OS to indicate the best settings for your system. ... Configure Network Interface Card for the Best Performance Configure Buffer IRQ for PCI cards. ... Automatically detect the MTU for all networks along the path to a remote host (MTU discovery procedure), thus avoid packet fragmentation, performance problems.
http://www.softwareclub.ws/download/scnsl4000.exe - 3Mb - Download - Screenshot

Speed Master
Speed Master is a tool that improves your internet connection speed and prevents you from being disconnected. Default registry settings are not optimized to give maximum performance. By optimizing these settings with Speed Master, you can increase dialup modem and broadband connection... Speed Master includes the "Stay Connected". ... Speed Master supports Dial-up Modem, Lan, Cable Modem, xDSL, ISDN, T1, Cable/DSL running PPPoE or PPTP, Satellite. ... Stay connected sends a small TCP/IP packet to given URL to keep your connection active.
http://www.ctnetsoftware.com/speedmaster.exe - 2Mb - Download - Screenshot

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... Speed up your Windows environment with this tool, while fixing common problems that are halting your productivity. ... 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.
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... Speed up your Windows environment with this tool, while fixing common problems that are halting your productivity. ... 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.
http://www.swiftdog.com/downloads/pcthrust.exe - 902Kb - Download - Screenshot

Emsa DiskCheck
Emsa Disk Check is a dual-purpose utility, for disk checking (prescan and full disk reading) and also benchmarking. What it does, is scanning/reading the entire contents of a disk (CD, DVD or hard drive; or even floppy) and show any read errors that may appear, but also show drive speed... You can also scan hard drives or even floppies - and get real condition performance information accordingly with drive performance but also with the way data is stored on it, which obviously impacts on overall performance.
http://download1.e-systems.ro/DiskCheck.zip - 186Kb - Download - Screenshot

XP Smoker
XP Smoker allows you to change various settings in the Windows Registry. These settings can improve the performance for your computer drastically. You can also stop and disable useless services in Windows XP. And in the end, you will reduce subsystem bottlenecks, increase application and boot... It is the simple and straightforward way to tweak your system to peak performance. ... XP Smoker also includes a state-of-the-art Internet Optimizer that runs a series of tests to improve your Internet connection for smoking-fast surfing no matter what connection speed you have!
http://www.xp-smoker.com/downloads/xps.exe - 4Mb - Download - Screenshot

Accelerate
Slow Internet connection speeds can be frustrating, and the hardware upgrades necessary to speed your system up can get very expensive. Webroot Software offers solutions designed to help you get the most out of your current Internet connection without making costly investments in hardware upgrades. ... While the maximum transfer speed of a modem/network connection can only be changed by costly hardware upgrades, Accelerate optimizes Windows settings for data transfer over modem/network connections resulting in faster download speeds, faster web site loading, and an overall increase in web...
http://www.webroot.com/download/trial/1/accsetup1.exe - 1Mb - Download - Screenshot

XP Smoker Pro
XP Smoker Pro allows you to change various settings in the Windows Registry. These settings can improve the performance for your computer drastically. You can also stop and disable useless services in Windows XP. And in the end, you will reduce subsystem bottlenecks, increase application and... XP Smoker Pro also includes a state-of-the-art Internet Optimizer that runs a series of tests to improve your Internet connection for smoking-fast surfing no matter what connection speed you have! ... It is the simple and straightforward way to tweak your system to peak performance.
http://www.xp-smoker.com/downloads/xpspro.exe - 4Mb - Download - Screenshot

Internet Speed up
Using Internet speed up you can Detecting bad routers ( Black hole routers) that may prevent MTU discovery procedure to be completed correctly. Detect your OS to indicate the best settings for your system. Adjusts MTU (Maximum Transmission Unit) & MSS (Maximum Segment Size). ... Speed up your connection without any networking or communication background requirements. ... Configure Network Interface Card for the Best Performance Configure Buffer IRQ for PCI cards. ... Wizzard any modem, ADSL, Cable, DSL and LAN connection types for maximum performance for faster surfing the Web, playing...
http://www.softwaredepo.com/download/sdns4001.exe - 11Mb - 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. ... GameBoost not only fixes these errors from occurring it also enhances your computers gaming performance. ... Speed up your Windows environment and internet connection with this tool, while fixing errors that are in the way of your gaming.
http://www.pgware.com/downloads/gameboost.exe - 864Kb - Download - Screenshot