There are 2 repositories under intel-joule topic.
Golang framework for robotics, drones, and the Internet of Things (IoT)
JavaScript framework for robotics, drones, and the Internet of Things (IoT)
Linux Library for low speed IO Communication in C with bindings for C++, Python, Node.js & Java. Supports generic io platforms, as well as Intel Edison, Intel Joule, Raspberry Pi and many more.