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by Pierre-Yves Landuré last modified Nov 26, 2016 10:48

Free maintenance tools for Microsoft Windows operating system.


Cleans cache, registry, temporary files, etc ... Maintains system performance on the long term.


Cleans unnecessary files from the system. Optimizes the configuration of Mozilla Firefox and Thunderbird.


Defragment hard drives.


Recovers deleted files. Ineffective if the hard disk is damaged, but very usefull for the recovery of deleted files.

Zero Assumption Recovery

File recovery tool able to recover data from NTFS partition whose MFT is corrupt.

This software is not freeware.


Data recovery tool able to deeply scan a hard drive to find files based on their MIME signatures.

This software is not freeware.

Xpy & Vispa

Disable identification features built into Microsoft Windows XP, Vista and 7. Protects privacy.


  • Thanks to Jean (Bad Wolf) for pointing to R-Studio in the comments.