Tail-f Systems

Tail-f is the leading provider of multi-vendor configuration management and network automation software for traditional and Software Defined Networks (SDN). 

Read more about 
» Tail-f Systems - http://www.tail-f.com 
» NCS - Network Control System - http://www.tail-f.com/network-control-system/ 
» ConfD - On-Device Management - http://www.tail-f.com/on-device-configuration-management/ 
» Multi-Vendor SDN - http://www.tail-f.com/multi-vendor-sdn/