awesome-CoAP

A curated list of awesome things related to CoAP, that is Constrained Application Protocol.

Inspired by awesome-php.

Table of Contents

• Libraries
• Tools
• Knowledge
  • RFCs
  • Documents

Libraries

C/C++

• libcoap - libcoap is a C implementation of a lightweight application-protocol for devices that are constrained their resources such as computing power, RF range, memory, bandwidth, or network packet sizes.
• cantcoap - CoAP implementation that focuses on simplicity by offering a minimal set of functions and straightforward interface.
• FreeCoAP - An implementation of a CoAP client, a CoAP server and a HTTP/CoAP proxy with full DTLS support.
• LibNyoci - A flexible CoAP stack for embedded devices and computers. RFC7252 compatible.
• microcoap - A small CoAP implementation for microcontrollers.
• YaCoAP - A small CoAP implementation for microcontrollers.

C#

• CoAP.NET - A C# implementation of the CoAP protocol.
• CoAPSharp - Constained Application Protocol library for @nanoframework and other supported microcontrollers.

Object-C

• iCoAP - This project is an Objective-C implementation of the "Constrained Application Protocol" (CoAP) for Clients only.

Java

• Californium - CoAP/DTLS Java Implementation.
• java-coap - This library makes it easy to integrate a Java SE enabled device with coap based services like mbed Cloud.
• nCoAP - This implementation of the Constrained Application Protocol bases on the asynchronous and event-driven network application framework Netty (thats where the 'n' in nCoAP comes from).

Go

• Go-CoAP - The go-coap provides servers and clients for DTLS, TCP-TLS, UDP, TCP in golang language.
• Canopus - Canopus is a client/server implementation of the Constrained Application Protocol (CoAP).
• go-coap - Implementation of CoAP in go.

Python

• aiocoap - The Python CoAP library.
• CoAPthon - CoAPthon is a python 2.7 library to the CoAP protocol compliant with the RFC.
• CoAPthon3 - CoAPthon3 is a python3 library to the CoAP protocol compliant with the RFC.
• txThings - CoAP library for Twisted framework.

MicroPython

• microcoap - A small CoAP implementation for microcontrollers.

Node

• node-coap - node-coap is a client and server library for CoAP modeled after the http module.

Ruby

• David - David is a CoAP server with Rack interface to bring the illustrious family of Rack compatible web frameworks into the Internet of Things.

Dart

• coap - The CoAP library is an implementation in Dart providing a CoAP client, the code was initially a port from the C# .NET project CoAP.NET.

Swift

• SwiftCoAP - Swift Server/Client Implementation of CoAP - RFC 7252.

Rust

• coap-rs - A fast and stable Constrained Application Protocol(CoAP) library implemented in Rust.

Tools

Interaction

• CoAP Shell - Constrained Application Protocol (CoAP) Interactive Shell.

Browser Plugin

• Copper - Copper (Cu) CoAP user-agent (JavaScript implementation).

Proxies

Knowledge

RFCs

• Core Request For Comments RFC 7252 - Defined in RFC 7252.
  • RFC 7641 (2015) - Observing Resources in the Constrained Application Protocol.
  • RFC 7959 (2016) - Block-Wise Transfers in the Constrained Application Protocol (CoAP).
  • RFC 8323 (2018) - CoAP (Constrained Application Protocol) over TCP, TLS, and WebSockets.
  • RFC 8974 (2021) - Extended Tokens and Stateless Clients in the Constrained Application Protocol (CoAP).

Documents

• https://en.wikipedia.org/wiki/Constrained_Application_Protocol
• https://coap.space/