Cisco SD-WAN - SD-WAN is a software-defined approach to managing the wide-area network, or WAN.
Nmap - Nmap Free Security Scanner, Port Scanner, & Network Exploration Tool. Download open source software for Linux, Windows, UNIX, FreeBSD, etc.
Cisco Meraki SD-WAN - What is SD-WAN?
Angry IP Scanner - Open-source and cross-platform network scanner designed to be fast and simple to use
VeloCloud - SD-WAN
Advanced IP Scanner - Advanced IP Scanner shows all network devices, gives you access to shared folders, and can even remotely switch computers off. Download it Free.