Utility designed for analyzing the changes made in Windows Registry - by making the snapshots of it and keeping them in a browsable database. You can compare any two snapshots and get the list of keys/data which are new, deleted or just changed. Also ART can export, import and compare REG files. You can create undo/redo files. Useful for detecting trojan viruses and eliminating some problems caused by software and hardware install/uninstall.

Reg Organizer
A powerful System Registry and configuration files manager that lets you view, edit and clean the Registry and preview the registry files you want to import (including the ability to preview files directly from Windows Explorer)

MagicTweak
MagicTweak is a special Tweaking software designed to optimize and personalize Windows XP/2000/Me/9X .

Eusing Free Registry Cleaner
Eusing Free Registry Cleaner is a free registry repair software that allows you to safely clean and repair registry problems with a few simple mouse clicks.You can restore any changes made using the software by choosing Restore registry backup.

WinMaximizer
WinMaximizer is a state-of-the-art technology that detects and repairs hundreds of PC errors, optimizes performance settings, and speeds up your PC in one click! Seeks and destroy the problems causing your slow PC. Download WinMaximizer now!

Total PC Health
Total PC Health provides a complete package for total optimization of your PC. Fix the Registry, update drivers, fix processes, defrag the hard drive, protect your privacy, remove dupliate files and more.