Registry

Fast Defrag

defrag tool

It will arrange files and folder for their faster access

Microsoft RegClean

It will CLean the Microsoft Reistry (It will not delet it but it will clean its nonwanted registry and you will get backup link by clicking it you can recover it back too )

Registry Monitor

It will monitro the performance of the Registry

Regitry Restore Wizard

It will help to restore your registry

suggestion/addition/alteration are welcomed

 Thanks for posting the tools with details 

thanks

thanks to you dear friend,

you understand the problems of other members and clarified it.And hence I am able to provide the further contribution