An Open Source POWERLINK Stack
openPOWERLINK is an Open Source Industrial Ethernet solution provided by SYSTEC electronic (http://www.systec-electronic.com), B&R (http://www.br-automation.com) and Kalycito (http://www.kalycito.com). It contains the Ethernet POWERLINK protocol stack for the Managing Node (master) and for the Controlled Nodes (slaves).
I've been waiting/searching for this kind of open supply job for some time.
Exceptional system! I utilize it extensively