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 NxFilter Alternatives ranked by AI · updated May 2025
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NxFilter is a comprehensive web filtering and monitoring solution that helps organizations to control internet usage and improve network security.
Price: Free for basic features, paid plans available for advanced features
🎯 nxfilter.org/p4
Top 6 NxFilter alternatives
Untangle is a comprehensive network security solution that provides firewall, web filtering, and other security features.
Starting at $50 per month
Smoothwall is a commercial network firewall and web-filtering platform for schools, businesses, and public-sector organizations. It combines gateway security, content filtering, policy...
Pros
- Strong web filtering and safeguarding controls for education and public-sector environments
- Centralized policy management and reporting across distributed networks
- Available as a dedicated appliance, virtual appliance, or cloud-managed deployment
Cons
- Pricing is less transparent than open-source firewall platforms
- More specialized around filtering than general-purpose network operating systems
- Some advanced capabilities and support depend on paid licensing
N/A; quote-based
CacheGuard-OS is an operating system that offers web security and optimization features.
Free trial available; Contact vendor for pricing
OpenWrt is a Linux-based open-source firmware for embedded devices. It provides a fully writable filesystem with package management allowing customization for your...
IPFire is an open-source firewall distribution that is designed to be easy to set up and highly secure. It offers a wide...
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