Resplendent Registrar 

Resplendent Registrar for Win2003/XP/2K/NT/ME/9x offers a very complete and safe solution to administrators and power users for maintaining the registry on both their desktops, remote computers on their network as well as registration files on disk.
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Registrar Lite 

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.
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Registry Workshop 

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.
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