Tweak O Matic 

Take control of Windows with tons of powerful system and registry tweaks, and boost your Internet download speeds up to 300% with the built-in Internet Accelerator. Includes tweaks for user interface, increased performance, software, Net & Security
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RegWorks 

RegWorks is a comprehensive registry management software solution that includes registry viewer, editor, access monitor and tweaker features.
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Robust Internet Speed Booster 

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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