Clean Slate is a nonrestrictive hard drive protection & restore technology, discards unwanted user changes at log off or reboot, no partitioning ever, effort…

Lethe is a GPL Partition Freezing Software.

Sandboxie is a sandbox-based isolation program developed by Sophos.

Toolwiz Time Freeze is an easy and effective Instant system restore software to keep your system safe and protect your computer from unwanted changes.

firejail is a SUID sandbox software that reduces the risk of security breaches by restricting the running environment of untrusted applications using Linux na…

Reboot Restore Rx (freeware) prevents any and all changes made on your drive(s) making those PC's bulletproof and unbreakable.

SmartShield is a workstation security management software.