Why I pay attention to OpenVNet is because it uses Trema-Edge as OpenFlow 1.3 Controller to communicate with Open vSwitch 1.10. It gives us a great example to use Trema-Edge in Virtual Network Environment and learn more about some use cases. Please check out the following lists:
What is OpenVNet?
http://www.slideshare.net/akirayokokawa/openvnet
Offical Web Site:
http://openvnet.com/
Github Source:
https://github.com/axsh/openvnet