SCIROCCO RegEdit Control 

Make modifications to the Windows Registry Easy with this control. Just drop it on your form then use three Methods RegistryGet, RegistrySet and RegistryDelete to modify the Registry! Suitable for Visual Basic, Visual C++, Visual Foxpro etc.
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Registry Mechanic 

Registry Mechanic is an advanced registry cleaner for Windows that can safely clean and repair problems with your registry in a few simple mouse clicks! Easily fix problems with the Windows registry that are a common cause of crashes and errors.
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RegSpy 

RegSpy is a windows registry utility that spies changes made by specified program. RegSpy will help you to track all little changes in your system registry made by other programs. With RegSpy, you can: Quick make Snapshot and Rollback of registry
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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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Sentinel 

Sentinel works by analyzing exploits in both your Registry and your system folders; integrating with ANY Anti-Virus program to quarantine these threats.
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Easy Registry Optimizer 

Safety: Always back up your registry and restore if registry gets currupted or spy/adware changes registry values. Optimization and fault prevention: Remove invalid registry entries to make Windows and programs run faster and with less errors.
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