CANopen driver framework for ROS (http://wiki.ros.org/ros_canopen)
A CanOpen EDS editor and library in C# with CanOpenNode export for Object Dictionary
Release 2 of the openPOWERLINK protocol stack
CANopenNode on Linux devices
A CANopen protocol for all systems such as embedded, PC, etc.
CANopen stack for embedded devices
CANopenNode on PIC microcontrollers.
Twizy / SEVCON Gen4 configuration shell for Arduino
A Simple C# canopen library with access to hardware via canfestival drivers