OPNsense Alternatives

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

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

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.

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

A very good alternative for Windows Server, for free

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

FRRouting (FRR) is an IP routing protocol suite for Linux and Unix platforms which

Quagga is a network routing software suite providing implementations of Open Shortest Path First...

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

Utilities, Application Utilities, and Mapping APIs

Repository contains pgRouting library. Development branch is "develop", stable branch is "master" - pgRouting/pgrouting

Sophos UTM integrates complete security software within a single appliance.