Untangle Alternatives

pfSense is a free and open source firewall and router that also features unified threat management, load balancing, multi WAN, and more

A very good alternative for Windows Server, for free

Modern work intelligence

Try for free paid Free Trial $6.4 / Annually (per employee per month (billed annualy))

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

Endian Firewall Community (EFW) is a "turn-key" linux security distribution that turns...

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

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

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

Linux directory, domain, mail, gateway and infrastructure server for SMBs.

NethServer is an operating system for Linux enthusiasts, designed for small offices and medium...

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

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.

Zeroshell is a Linux distribution for servers and embedded devices aimed at providing the main...

Secure, fast and economically scalable, Ubuntu helps you make the most of your infrastructure. Whether you want to deploy a cloud or a web farm, Ubuntu Server supports the most popular hardware and software.