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Lynis

Lynis is a free, open-source security and privacy app for macOS and Linux. Lynis - Security auditing tool for Linux, macOS, and UNIX-based systems. It has 16,442 GitHub stars and is released under the GPL-3.0 license. Its source code is on GitHub at CISOfy/lynis.

github.com/CISOfy/lynis (opens in a new tab)

About Lynis

Do you like this software? Star the project and become a stargazer. Lynis - Security auditing and hardening tool, for UNIX-based systems.

FAQ

Lynis FAQ

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What is Lynis?

Lynis is a free, open-source security and privacy app for macOS and Linux. Lynis - Security auditing tool for Linux, macOS, and UNIX-based systems. It has 16,442 GitHub stars and is released under the GPL-3.0 license. Its source code is on GitHub at CISOfy/lynis.

Is Lynis free and open source?

Yes. Lynis's source code is public on GitHub under the GPL-3.0 license, which is OSI-approved or FSF-free, so you can use, copy and change it for free.

How do I install Lynis?

Download the installer for macOS and Linux from its GitHub Releases page (latest: 3.1.7) or the project website.

Is Lynis still maintained?

The repository's most recent commit was on Sep 16, 2026. appsgit only lists apps whose repository had a commit in the last six months.