pfSense - pfSense is a free and open source firewall and router that also features unified threat management, load balancing, multi WAN, and more
Cisco ACI - Application Centric Infrastructure (ACI) simplifies, optimizes, and accelerates the application deployment lifecycle in next-generation data centers and clouds.
Zentyal - Linux directory, domain, mail, gateway and infrastructure server for SMBs.
ManageEngine OpManager - Monitors routers, switches, firewalls, load-balancers, wireless LAN controllers, servers, VMs, printers, storage devices, and everything that has an IP and is connected to the network.
NethServer - NethServer is an operating system for Linux enthusiasts, designed for small offices and medium...
NSX - Data Center Networking