Awesome
txThings
txThings - CoAP library for Twisted framework
txThings is a Python implementation of Constrained Application Protocol (CoAP):
http://tools.ietf.org/html/rfc7252
txThings is based on Twisted - asynchronous I/O framework and networking engine written in Python.
txThings uses MIT License (like Twisted itself).
http://opensource.org/licenses/mit-license.php
Copyright (c) 2012 Maciej Wasilak