Juniper Contrail is described as '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' and is an app. There are four alternatives to Juniper Contrail for Linux, BSD and Self-Hosted. The best Juniper Contrail alternative is pfSense, which is both free and Open Source. Other great apps like Juniper Contrail are OpenContrail, VyOS and Smoothwall.
pfSense is a free and open source firewall and router that also features unified threat management, load balancing, multi WAN, and more.
United States
OpenContrail is an 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.
VyOS is a community fork of Vyatta , a Linux-based network operating system that provides software-based network routing, firewall, and VPN functionality.
United States
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.
United Kingdom
