1)   Registrar Registry Manager 5.55
Registrar Registry Manager is a complete registry management solution with a wealth of powerful features. It is intended as a complete and safe solution for administrators and power users for maintaining the Windows registry.

 2)   Registry Workshop 2.2.0
Registry Workshop is an advanced registry editor. In addition to all the features that you can find in RegEdit and RegEdt32, Registry Workshop adds many powerful features that allow you to work faster and more efficiently with registry related tasks.

 3)   Registrar Lite 2.00
Registrar Lite for WinXP/2000/NT/ME/9x is a freeware powerful registry editor. It offers an explorer style interface which supports the clipboard and allows you to drag & drop registry keys and values. It offers fast background search and replace.

 4)   Registry Help Pro 2.5
Just with a few clicks, Registry Help can clean and repair your registry, speed up your computer, and optimize your system. It is safe!