Opnsense
Opnsense is a free, open-source security and privacy app for BSD. OPNsense GUI, API and systems backend. It has 4,713 GitHub stars and is released under the BSD-2-Clause license. Its source code is on GitHub at opnsense/core.
- Official
- BSD
- Password managers, encryption & privacy
- Actively maintained
About Opnsense
OPNsense GUI and system management ================================== The OPNsense project invites developers to start contributing to the code base. For your own purposes or – even better – to join us in creating the best open source firewall available.
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What is Opnsense?
Opnsense is a free, open-source security and privacy app for BSD. OPNsense GUI, API and systems backend. It has 4,713 GitHub stars and is released under the BSD-2-Clause license. Its source code is on GitHub at opnsense/core.
Is Opnsense free and open source?
Yes. Opnsense's source code is public on GitHub under the BSD-2-Clause license, which is OSI-approved or FSF-free, so you can use, copy and change it for free.
How do I install Opnsense?
Download it from the project website or build it from source by following the README on GitHub.
Is Opnsense still maintained?
The repository's most recent commit was on Oct 7, 2026. appsgit only lists apps whose repository had a commit in the last six months.