1)   DU Meter 3.07
DU Meter is a powerful tool to help you use your Internet connection more efficiently. It displays percentage of full bandwidth which is actually utilized at any point, by displaying a real-time graph, numerical display, or both. Win9x/NT4/2000/XP.
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 2)   Robust Internet Speed Booster 4.2.0.0
Boost & optimize your Internet connection speed with this set of tools - A free utility to help you keep your system healthy and responsive. This program is a package of 3 utilities, a network pinger, and internet speed booster, and a Free Mem tool.
fast, speed, quick, accelerate, internet, load, optimize, improve, setting, increase,

 3)   Free Net Speed Booster 4.5.0.1
Using net speed booster you can Boost & optimize your Internet connection speed with this set of tools - A free utility to keep your system healthy and responsive. This program is a package of 3 utilities, a network pinger,and Net Speed Booster.
fast, speed, quick, accelerate, free, internet, load, optimize, improve, setting,

 4)   TweakMASTER PRO 2.06
TweakMASTER Pro promotes faster Internet download speeds by intelligently tweaking key Windows settings. Ideal for dial-up, cable, DSL, wireless with all later Windows and AOL. Includes DU Meter network monitoring utility and LinkFox web accelerator.
MTU, MaxMTU, RWIN, DefaultRcvWindow, speed, speedup, optimize, download, fragmentation, packet size,

 5)   Free Ultra Net Booster 1.1.0.0
Using Ultra Net Booster you can Boost & optimize your Internet connection speed with this set of tools - A free utility to keep your system healthy and responsive. This program is a package of 3 utilities, a network pinger,and Ultra Net Booster.
fast, speed, quick, accelerate, free, internet, load, optimize, improve, setting,

 6)   TweakMASTER 2.06
TweakMASTER is a revolutionary Internet Optimizer which promotes faster Internet download speeds by intelligently tweaking numerous key Windows settings for dial-up, cable, DSL, wireless with all later versions of Windows plus AOL.
MTU, MaxMTU, RWIN, DefaultRcvWindow, speed, speedup, optimize, download, fragmentation, packet size,