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




pfSense is the most popular Open Source & free alternative to OpenContrail.
- pfSense is Freemium and Open Source
OpenContrail is described as 'Apache 2.0-licensed project that is built using standards-based protocols and provides all the necessary components for network virtualization–SDN controller, virtual router, analytics engine, and published northbound APIs' and is a Firewall in the network & admin category. There are eight alternatives to OpenContrail for Linux, Self-Hosted, Web-based and BSD. The best OpenContrail alternative is pfSense, which is both free and Open Source. Other great apps like OpenContrail are MikroTik RouterOS, ClearOS, IPFire and VyOS.
pfSense is a free and open source firewall and router that also features unified threat management, load balancing, multi WAN, and more.




pfSense is the most popular Open Source & free alternative to OpenContrail.
Linux-based system converts standard PCs into customizable routers, featuring advanced firewall, VPN server and client, bandwidth control, QoS, wireless AP, captive portal, remote management, industry protocol support, automation, and scalable licensing for network needs.

MikroTik RouterOS is the most popular Web-based & Self-Hosted alternative to OpenContrail.
MikroTik RouterOS is the most popular commercial alternative to OpenContrail.
ClearOS is a family of operating systems for the enterprise, small business, and home. There are three editions to choose from depending on your needs and suitable to your abilities. They are: ClearOS Enterprise, ClearOS Home, and ClearOS Core.



ClearOS is the most popular Linux alternative to OpenContrail.
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.

VyOS is a community fork of Vyatta , a Linux-based network operating system that provides software-based network routing, firewall, and VPN functionality.

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. IPCop offers the critical functionality of an expensive network appliance using stock, or even obsolete...



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 system and an easy-to-use web interface.



Contrail Networking is a software-defined networking (SDN) platform based on the open-source network virtualization project, OpenContrail. The Juniper platform automates and orchestrates the creation of highly scalable virtual networks.