Beehive SDN Controller - A distributed SDN controller with OpenFlow support
Hamachi - Hamachi is a VPN service scaled to the unique needs of business owners.
OpenDaylight - OpenDaylight is an open platform for network programmability to enable SDN and create a solid...
ZeroTier - Extremely simple P2P Encrypted VPN
Ubiquiti UniFi - UniFi is the SDN platform for Ubiquitis UniFi series
OpenVPN - OpenVPN - The Open Source VPN