1)   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.
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 2)   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,

 3)   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,