Deep Freeze is an administrative IT tool that guarantees 100% workstation recovery upon restart. Enterprise IT demands that. While there are alternatives, that guarantee makes Deep Freeze the clearest choice and one that's very tough to beat. The closest alternatives can be filtered with the Restore on Reboot feature.
Open-source options are rare in this list and many open tools become discontinued quickly. It's hard to rely on a workstation tool that might get discontinued so that's a clear strength of commercial tools like Deep Freeze. On the other hand, there are some outstanding free tools
These tools are predominantly for Windows. Like Deep Freeze, a few support Mac as well. The open source tools are generally made for Linux.
Dafturn Ofris, Freeze from Indonesia, is an open source application that can freeze your Linux, like Deep Freeze in Microsoft Windows operating system. So, you can lock your system by using this application. Feel free and open with this application.
fsprotect is a set of scripts, customized for debian systems that protect existing filesystems. It uses the AUFS filesystem and some initramfs magic to protect the root filesystem. It also uses a simple init script to protect other filesystems as early as possible. fsprotect is excellent for public computers like those in libraries, labs, etc. It will ease the life of all administrators with a couple of simple steps.
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 will not be saved on the disk but in RAM and when the system restarts, all the content saved in the previous session is "forgotten" and lost and the disk / partitions are restored to their original state.
