CoAP/DTLS Java Implementation
CoAPthon is a python library to the CoAP protocol aligned with the RFC
Implementation of CoAP in go.
A CoAP Python library
A C# implementation of the CoAP protocol
An implementation of a CoAP client, a CoAP server and a HTTP/CoAP proxy with full DTLS support.
CoAP C library - Builder and Parser for CoAP messages
CoAP Java library
CoAP Implementation in C
国内CoAP测试服务器 coap://wsncoap.org
IoT Learning with CoAP Protocol
Generic Erlang CoAP Client/Server