regclean (5 products)

Advanced Registry Optimzier 1.26 (Shareware, $29.50)

It is the easiest way to keep your PC running cleaner, faster and error free.Fix PC problems and prevent them from happening again. Comes with 1.System Files Backup and Restore - Backup and Restore your System Files. 2.Registry Cleaner and Optimizer - Clean up your Windows Registry Database 3.Registry Defragger and Optimizer - Optimizes and Defrags your Windows Registry.

Advanced Registry Tracer 1.67 SR2 (Shareware, $40)

An utility designed for analyzing the changes made in Windows Registry -by making 'snapshots' of it and keeping them in the database, which you can then browse through at your convenience. You can compare any two snapshots and get the list of keys/data which are new, deleted or just changed You can use ART to explore the Registry for the number and types of subkeys in any key. ART can be used to search for data of certain types and with certain modification time. ART supports export / import to / from REG files, both in the old format and in the new one (Windows 2000, XP). Now you can use ART to compare REG files and to get the results in a convenient and understandable format. Moreover, you can create undo/redo files (for example, to rollback the changes). You can also modify registry directly from ART without creating *.reg files. Very useful for detecting trojan viruses and eliminating some problems caused by software and hardware install/uninstall and compatibility.

Registry Cleaner 1.00 (Shareware, $29.95)

Registry Cleaner is a one click tool to scan, identify and fix errors in the system registry Normal usage of the system and regularly adding and removing programs leave unwanted traces in the registry. Registry Cleaner’s INTELLISMART technique scans the registry and identifies the errors which make the system slow, stop performing, behave erratically, and even restart. It allows advanced user to select parts of registry to be scanned for errors

RegVac Registry Cleaner 3.00 (Shareware, $29.95)

RegVac - Eight Tools to Clean your Registry

Work With Registry 3.3 (Shareware, $17.90)

The Work With Registry