pfSense is an open-source firewall and router software based on FreeBSD. It provides advanced features and flexibility for network security and routing.
Free (Community Edition), Paid support options available
Best VyOS Alternatives ranked by AI · updated May 2025
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VyOS is an open-source network operating system based on Debian GNU/Linux. It provides a fully featured routing engine that is suitable for both small and large networks.
Price: Free
🎯 vyos.io
Top 6 VyOS alternatives
OPNsense is an open-source firewall and router platform based on FreeBSD, administered through a web interface. It is aimed at network administrators...
Pros
- Offers a far richer web interface than Advanced Policy Firewall
- Includes VPN, routing, reporting, plugins, and intrusion-prevention features
- Well suited to dedicated perimeter firewalls and small business networks
Cons
- Runs as a separate firewall appliance rather than a lightweight Linux host tool
- Requires dedicated hardware or a virtual machine
- More resource-intensive than Advanced Policy Firewall
Free; paid support and hardware available
MikroTik RouterOS is a stand-alone operating system based on the Linux kernel, known as the MikroTik RouterBOARD hardware platform. It offers advanced...
Pros
- Advanced routing features
- Good hardware compatibility
Cons
- Paid license required for full functionality
- Steep learning curve for beginners
Untangle is a comprehensive network security solution that provides firewall, web filtering, and other security features.
Starting at $50 per month
5
BIRD is a software product that provides electric scooters for shared micromobility solutions.
Varies based on location and usage
6
Quagga
Quagga Routing Suite Project
Quagga is an open-source routing software suite for Linux and Unix-like systems, aimed at network operators and service providers. It provides separate...
Pros
- Supports multiple routing protocols through a familiar command-line interface
- Lower resource usage than full network operating systems
- Free and source-available under open-source licenses
Cons
- Much less actively maintained than FRRouting
- Older protocol implementations have fewer modern features
- Smaller current community and ecosystem than FRRouting
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