Related controllers (updating) - lbchen/ODL GitHub Wiki

IBM Programmable Network Controller (v3.0)
http://www-03.ibm.com/systems/networking/software/pnc/
NTT DATA
http://www.nttdata.com/global/en/news-center/global/2012/060801.html
NEC ProgrammableFlow PF6800 (1st commercial controller)
https://www.opennetworking.org/sdn-openflow-products/927-nec-programmableflow-r-network-controller-pf-6800