The best open source alternative to Deep Freeze is Lethe. If that doesn't suit you, our users have ranked more than 10 alternatives to Deep Freeze and four of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Deep Freeze are fsprotect, bilibop-lockfs and Broom Diskless.
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...
fsprotect is a set of scripts, customized for debian systems that protect existing filesystems.
Freeze your root (/) or any other partition of your choice. all changes happens in the RAM and all gone once a reboot process is completed successfully. good but not excellent for public libraries and internet cafes.
Open-source diskless boot server: network-boot Windows 11 & Linux PCs from one golden image, clean on every boot. One static binary.
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