Firejail is a SUID security sandbox program that reduces the risk of security breaches by restricting the running environment of untrusted applications using Linux namespaces and seccomp-bpf.




Shadow Defender is described as 'Provides a virtualized mode for Windows that prevents permanent malware or unwanted system changes, restoring original state after reboot while allowing selective file persistence' and is an app in the security & privacy category. There are more than 10 alternatives to Shadow Defender for Windows, Linux and Mac. The best Shadow Defender alternative is Firejail, which is both free and Open Source. Other great apps like Shadow Defender are Reboot Restore Rx, Sandboxie, SmartShield and Bubblewrap.
Firejail is a SUID security sandbox program that reduces the risk of security breaches by restricting the running environment of untrusted applications using Linux namespaces and seccomp-bpf.




Reboot Restore Rx makes it easy to maintain PC’s in small public access computing environments (classrooms, computer labs, kiosks, internet cafes, libraries, etc.). Every time you restart the PCs they will automatically reset to your predefined baseline setting.




Similar in function, prefer Reboot Restore's security features more.


The original Sandboxie Plus (Classic) application, now open source and as Sandboxie-Plus.
SmartShield allows administrators to ensure the ongoing integrity of their workstations without limiting usability. With SmartShield Protection enabled, all changes made to a workstation are removed with every restart. This makes unwanted system changes an impossibility.



Restores your computer to its original configuration discarding unwanted computer changes. Just log off or reboot. Clean Slate is easy yet powerful.



Lethe is a Deep Freeze -like partition freezing software for Debian GNU/Linux and Lihuen GNU/Linux (May work on other Debian-based GNU/Linux distributions). Lethe makes the partitions behave like a Live CD: all changes made on the file system...
Wioski is a self-healing kiosk-computer running Windows 7 / 8 / 10. It’s made with standard Microsoft technologies and is distributed totally free.


Intrusion prevention system and a sandbox with AntiSpy features that provides unprecedented protection and ensures system stability and integrity.



Mbox is a lightweight sandboxing mechanism that any user can use without special privileges in commodity operating systems.
fsprotect is a set of scripts, customized for debian systems that protect existing filesystems.
Free and functions similarly in terms of maintaining a clean system