pfSense Alternatives

The main product of MikroTik is a Linux-based operating system known as MikroTik RouterOS.

OPNsense® you next open source firewall. Free Download. High-end Security Made Easy™. Offers Intrusion Prevention, Captive Portal, Traffic Shaping and more.

Open Source

Ensure healthy website performance, uptime, and free from vulnerabilities. Automatic checks for SSL Certificates, domains and monitor issues with your websites all from one console and get instant notifications on any issues.

Try for free freemium $9.0 / Monthly (Lite plan)

OpenWrt is an open-source firmware based on Linux for wireless routers

Open Source

SonicWall security solutions protects your network, systems, users and data from cyber threats.

VyOS in an open source Linux-based operating system sold and distributed by Sentrium corporations. It is geared toward IT specialists and network administrators for the purpose of securing network and company data... read more.

Untangle NG Firewall filters traffic based on IP address, protocol and port, which enables administrators to designate which systems and services (HTTP, FTP, etc.) are publicly available.

Sqreen is a web application security monitoring and protection solution helping companies protect their apps and users from attacks. Get started in minutes.

Comodo Firewall Pro - Secure your system against internal attacks such as Trojan viruses /...

IPFire is a server distribution with intended to use as a firewall.

Sophos XG Firewall provides unprecedented visibility into the network, users, and applications directly from the all-new control center.

Lightweight and non-intrusive firewall

Emsisoft Online Armor Firewall is a freemium online firewall protection system by the Emsisoft that is based on the own independent protection technology of the Emsisoft.

A very good alternative for Windows Server, for free