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CoAP

Constrained Application Protocol (CoAP) is a specialized web transfer protocol for use with constrained nodes and constrained networks in the Internet of Things, as defined by IETF RFC 7252. CoAP adopts a REST model making it easy to learn and easy to adapt to HTTP. coaps:// is a related protocol, where “s” stands for a secure layer using DTLS. Learn more at coap.technology.

Here are 376 public repositories matching this topic...

emqx / emqx

The most scalable and reliable MQTT broker for AI, IoT, IIoT and connected vehicles

Updated Jun 6, 2026
Erlang

IoT-Technology / IoT-Technical-Guide

🐝 IoT Technical Guide --- 从零搭建高性能物联网平台及物联网解决方案和Thingsboard源码分析 ✨ ✨ ✨ (IoT Platform, SaaS, MQTT, CoAP, HTTP, Modbus, OPC, WebSocket, 物模型，Protobuf, PostgreSQL, MongoDB, Spring Security, OAuth2, RuleEngine, Kafka, Docker)

mqtt iot coap jwt real-time rule-engine nosql websocket gateway modbus internet-of-things iot-platform token opc-ua thingsboard multitenant tsl micorservice

Updated Sep 5, 2023
Java

absmach / magistrala

IoT Platform Framework

Updated Jun 3, 2026
Go

phodal / designiot

教你设计物联网系统。构建自己的Internet of Things 。

mqtt iot coap internet-of-things github-books iot-design desing-iot

Updated Jun 25, 2021
HTML

x-tools

x-tools-author / x-tools

Qt-SerialPort-HID-BLE-UDP-TCP-WebSocket-Modbus-CANBus-MQTT-CoAP-TFTP-mDNS debugging tool, which support custom lua, javascript, chart view and data transmitting...

javascript mqtt coap qt lua serial tcp hid websocket udp modbus tftp canbus serialport mdns opcua xtools

Updated Jun 6, 2026
C++

eclipse-californium / californium

CoAP/DTLS Java Implementation

java iot coap dtls internet-of-things eclipseiot

Updated Mar 27, 2026
Java

leshan

eclipse-leshan / leshan

Java Library for LWM2M

java iot coap eclipse internet-of-things lwm2m device-management eclipseiot lwm2m-server lwm2m-client bootstrap-server lwm2m-protocol

Updated Jun 3, 2026
Java

IoT-Technology / Groza

开源物联网平台 - 物联网解决方案的设备管理，数据收集，处理

http mqtt iot coap netty springboot2

Updated Dec 10, 2022
Java

eclipse-wakaama / wakaama

Eclipse Wakaama is a C implementation of the Open Mobile Alliance's LightWeight M2M protocol (LwM2M).

c iot coap internet-of-things lwm2m device-management eclipseiot lwm2m-server lwm2m-client lwm2m-protocol

Updated May 26, 2026
C

jetlinks / jetlinks

JetLinks Core

mqtt iot coap rule-engine udp dtls reactive-streams vertx reactor iot-gateway iot-cloud webflux jetlinks

Updated Apr 20, 2026

plgd-dev / go-coap

Implementation of CoAP Server & Client in Go

iot coap udp dtls coap-server coap-client multicast ocf coap-protocol pion-dtls coap-noresponse coap-tcp blockwise-transfer

Updated Jun 7, 2026
Go

Fitbit / golden-gate

Framework to connect wearables and other IoT devices to mobile phones, tablets and PCs with an IP-based protocol stack over Bluetooth Low Energy

coap networking network protocol dtls bluetooth ip ble corebluetooth lwip coap-server coap-client gatt tcp-ip gatt-server gatt-client

Updated Apr 17, 2024
C

aiocoap

chrysn / aiocoap

The Python CoAP library

python coap internet-of-things asyncio oscore

Updated Apr 29, 2026
Python

IoT-Technology / IoT-Toolkit

Toolkit is a IoT protocol client CLI for IoT developer and learners. CoAP、MQTT And NB-IoT protocol are currently supported. It supports colors, autocompletion, internationalization(chinese, english and german…) and multi-platforms

mqtt iot coap command-line-tool mqtt-client coap-client mqtt-protocol coap-protocol coap-cli

Updated Mar 14, 2025
Java

Covertness / coap-rs

A Constrained Application Protocol(CoAP) library implemented in Rust.

rust coap crates

Updated Jun 6, 2026
Rust

peniot

yakuza8 / peniot

PENIOT: Penetration Testing Tool for IoT

python mqtt iot security coap amqp hacking penetration-testing ble python2-7 penetration-testing-framework hacking-tools penetration-testing-tools iot-hacking security-attacks

Updated Feb 22, 2022
Python

AVSystem / Anjay

C implementation of the client-side OMA LwM2M protocol

notifications c iot coap embedded monitoring lwm2m device-management lwm2m-client

Updated May 27, 2026
C

absmach / fluxmq

High-performance scalable message broker for modern event-driven applications

go golang mqtt iot coap scalable messaging edge devices web-sockets high-throughput message-broker multiprotocol

Updated Jun 5, 2026
Go

glenndehaan / ikea-tradfri-coap-docs

How can you communicate to your ikea tradfri gateway/hub through coap-client

coap documentation docs ikea coap-client ikeatradfri ikea-gateway

Updated Feb 28, 2024
Shell

iobroker-community-adapters / ioBroker.shelly

Integrate your Shelly devices into ioBroker via MQTT or CoIoT

home-automation iot coap smarthome iobroker shelly

Updated Jun 5, 2026
JavaScript

Released 2014

Followers: 20 followers
Website: github.com/topics/coap
Wikipedia: Wikipedia

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api cbor dtls http iot rest