Complete CoAP Implementation in C. Despite designed for embedded systems (e.g. ARM Cortex-M0/M3, AVR, ESP8266) it can be used on nearly every system that has c-lang support.
There is also a working OpenSource client lib available in GoLang @ https://github.com/lobaro/coap-go
Follow Lobaro on Twitter to get latest news about iot projects using our CoAP implementation!
Read the Porting Guide for information on how to port the library to your framework.
ESP8266, cheap WIFI Soc:
We use the stack internally at lobaro to build universal gateway / sensor systems for our customers. Additions will be constantly merged into this repository.
We appreciate any feedback, do not hesitate to create issues or pull requests.