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Firejail

Firejail is a free, open-source security and privacy app for Linux. Linux namespaces and seccomp-bpf sandbox. It has 7,721 GitHub stars and is released under the GPL-2.0 license. Its source code is on GitHub at netblue30/firejail.

github.com/netblue30/firejail (opens in a new tab)

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About Firejail

Firejail is a lightweight security tool intended to protect a Linux system by setting up a restricted environment for running (potentially untrusted) applications.

Install Firejail

Package names found in the project's README. Each links to its package page so you can check the publisher first.

AUR (Arch Linux)

firejail-git on the AUR (opens in a new tab)

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FAQ

Firejail FAQ

Still curious? Email info@appsgit.com.

Is Firejail free and open source?

Yes. Firejail's source code is public on GitHub under the GPL-2.0 license, which is OSI-approved or FSF-free, so you can use, copy and change it for free.

How do I install Firejail?

the AUR package firejail-git. The commands are on this page. Installers are also on its GitHub Releases page (latest: 0.9.80).

Is Firejail still maintained?

The repository's most recent commit was on Oct 26, 2026. appsgit only lists apps whose repository had a commit in the last six months.