OSS Discovery

NL
Netherlands
PRODUCTIVITY
SELF-HOSTABLE
ACTIVELY MAINTAINED
FREE
Opnsense

OPNSENSE

"Empower your network with OPNsense, the best-in-class, free open-source firewall. From VPN to Intrusion Detection, our cutting-edge platform offers smarter security, better visibility, and stronger control. Join our community and start building a safer, more secure network today."

GITHUB STARS
4.4k
+12% this month
FORKS
944
Active community
LAST PUSH
Apr 24, 2026
High momentum
WATCHERS
123
Tracking updates
LICENSE
BSD-2-Clause
Commercial use
"Empower your network with OPNsense, the best-in-class, free open-source firewall. From VPN to Intrusion Detection, our cutting-edge platform offers smarter security, better visibility, and stronger control. Join our community and start building a safer, more secure network today."

High Performance

Built for speed and minimal overhead.

Self-hostable

Docker, Kubernetes, or bare metal

Developer Native

Programmable via any language workflow

SUPPORTED LANGUAGES

PHP
PHP
Volt
Volt
Python
Python
JavaScript
JavaScript
SCSS
SCSS
CSS
CSS
Shell
Shell
Makefile
Makefile
Roff
Roff
HTML
HTML
D
D
Perl
Perl
Lua
Lua
Less
Less

VISUAL INTERFACE

Screenshot 1
Screenshot 2
Screenshot 3

The Quick Glance

Status
Active
Category
Productivity
Pricing
Free
Self-Hosted
Yes
Available on
Windows
macOS
Linux
Latest Release
26.7.a
Jan 27, 2026

Relative Standing — across 1,284 tools

STARS4.4k
Top 51% globally
FORKS944
Top 35% in Open Source
ACTIVITYVery High
Top 14% Activity
WATCHERS123
Top 30% Community