+* pyaml (public domain)
+* zerorpc (MIT)
+* tabulate (public domain)
+* argparse (Python software foundation license)
+* networkx (BSD)
+* six>=1.9 (MIT)
+* ryu (Apache 2.0)
+* oslo.config (Apache 2.0)
+* pytest (MIT)
+* pytest-runner (MIT)
+* Flask (BSD)
+* flask_restful (BSD)
+* requests (Apache 2.0)
+* docker-py (Apache 2.0)
+
+### 3rd-party code used
+* (none)