Registry Mechanic - Advanced registry cleaner for Windows that can safely clean and repair problems
MagicTweak - MagicTweak is a special software designed to optimize Windows XP/2000/Me/9X .
Resplendent Registrar - full-featured registry manager and editor for administrators and power users
Registry Analyst - A Registry Analyst is a handy tool for the system registry analysis and cleaning
Advanced Registry Tracer - Take over FULL control of your Registry and find tweaks others have missed!
Registry Explorer - This software puts your computer's registry in Windows Explorer.
Registry Healer - Registry cleanup tool. Clean and correct your Windows?registry!
Reg Organizer - Extensive and extremely powerful set of Registry tools for the power user
System Maid - Repair registry, clean junk files, erase activity traces, backup critical data.
Uninstall Plus - Uninstall programs,wipe files,clean computer, correct registry errors.