pfSense

pfSense is a free, open source customized distribution of FreeBSD tailored for use as a firewall, and router. In addition to being a...

Free Open Source BSD

IPFire

IPFire is a server distribution with intended to use as a firewall. It focuses on flexibility, and scales from small to middle sized business networks and home networks....

Free Open Source Linux

Untangle

Untangle is a platform for deploying network based applications. The platform unites these applications around a common GUI, database and reporting. Applications on the...

Freemium Linux

CacheGuard-OS

CacheGuard OS is an Appliance oriented Operating System dedicated to Web traffic Security and Optimization.

Commercial $ $ $ Windows VirtualBox VMware vSphere Hypervisor Microsoft Hyper-V Server Proxmox Virtual Environment

ZeroShell

Zeroshell is a Linux distribution for servers and embedded devices aimed at providing the main network services a LAN requires. It is available in the form of Live CD or...

Free Open Source Linux Self-Hosted

Endian Firewall Community

Endian Firewall Community (EFW) is a "turn-key" linux security distribution that turns every system into a full featured security appliance with Unified Threat...

Free Open Source Linux

IPCop

IPCop Firewall is a Linux firewall distribution geared towards home and SOHO (Small Office/Home Office) users. The IPCop interface is very user-friendly and task-based....

• Discontinued The project seems to be no longer updated. Last version, 2.1.9, released in February 2015, can be still downloaded from the official website.

Free Open Source Linux

SmoothWall

The SmoothWall Open Source Project was set up to develop and maintain SmoothWall Express - a Free firewall that includes its own security-hardened GNU/Linux operating...

Free Open Source Linux