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Top 23 C Mqtt Projects
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libcurl
A command line tool and library for transferring data with URL syntax, supporting DICT, FILE, FTP, FTPS, GOPHER, GOPHERS, HTTP, HTTPS, IMAP, IMAPS, LDAP, LDAPS, MQTT, POP3, POP3S, RTMP, RTMPS, RTSP, SCP, SFTP, SMB, SMBS, SMTP, SMTPS, TELNET, TFTP, WS and WSS. libcurl offers a myriad of powerful features
I like curl it's available as a command line tool and is pretty ubiquitous across platforms.
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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Tasmota
Alternative firmware for ESP8266 and ESP32 based devices with easy configuration using webUI, OTA updates, automation using timers or rules, expandability and entirely local control over MQTT, HTTP, Serial or KNX. Full documentation at
Project mention: Xiaomi has provided official support for Home Assistant | news.ycombinator.com | 2024-12-16 -
Project mention: 13 Github Projects that Will Supercharge Your Development Journey in 2025 🚀 | dev.to | 2025-03-02
Stars: 11435 Author: cesanta Star the mongoose repository⭐
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libhv
🔥 比libevent/libuv/asio更易用的网络库。A c/c++ network library for developing TCP/UDP/SSL/HTTP/WebSocket/MQTT client/server.
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Project mention: Show HN: Bluetooth USB Peripheral Relay – Bridge Bluetooth Devices to USB | news.ycombinator.com | 2024-11-13
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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OpenBK7231T_App
Open source firmware (Tasmota/Esphome replacement) for BK7231T, BK7231N, BL2028N, T34, XR809, W800/W801, W600/W601, BL602 and LN882H
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paho.mqtt.embedded-c
Paho MQTT C client library for embedded systems. Paho is an Eclipse IoT project (https://iot.eclipse.org/)
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Farm-Data-Relay-System
A system that uses ESP-NOW, LoRa, and other protocols to transport sensor data in remote areas without relying on WiFi.
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json-scada
A portable and scalable SCADA/IIoT-I4.0/Gateway platform centered on the MongoDB database server.
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SuperGreenOS
🧠 SuperGreenOS home farming automation software for esp32, all in one package, and controllable from your smartphone, pc, mac, linux, toaster, plumbus, whatnot...
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AqualinkD
Daemon to control Jandy Aqualink RS pool equipment from any home automation hub (Alexa, Homekit & Siri, Home Assistant, smartthings, domoticz etc) or web browser.
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
C Mqtt discussion
C Mqtt related posts
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How a Mosquito Operates
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13 Github Projects that Will Supercharge Your Development Journey in 2025 🚀
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Using nginx as a SSL offloading proxy to MQTT
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Building a Personal Internet from Markdown Files
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Eu não tinha nada melhor pra fazer, aí comecei a escrever um servidor HTTP em C do zero usando winsock.
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Marcel v8.01 released
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Forward Compatibility for Mosquitto MQTT Broker with Docker Compose v2
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A note from our sponsor - InfluxDB
www.influxdata.com | 22 May 2025
Index
What are some of the best open-source Mqtt projects in C? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | libcurl | 37,967 |
| 2 | Tasmota | 23,270 |
| 3 | Mongoose | 11,703 |
| 4 | mosquitto | 9,739 |
| 5 | libhv | 7,162 |
| 6 | esp-link | 2,900 |
| 7 | IdeasNProjects | 2,059 |
| 8 | nanomq | 1,870 |
| 9 | OpenBK7231T_App | 1,705 |
| 10 | paho.mqtt.embedded-c | 1,400 |
| 11 | ESPresense | 1,225 |
| 12 | arduino-mqtt | 1,056 |
| 13 | OwnTracks Recorder | 974 |
| 14 | MQTT-C | 814 |
| 15 | esp32-ble2mqtt | 717 |
| 16 | esp-mqtt | 648 |
| 17 | Homepoint | 642 |
| 18 | Farm-Data-Relay-System | 548 |
| 19 | json-scada | 341 |
| 20 | McLighting | 222 |
| 21 | openevse_esp32_firmware | 193 |
| 22 | SuperGreenOS | 189 |
| 23 | AqualinkD | 184 |
Sponsored
InfluxDB – Built for High-Performance Time Series Workloads
InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
www.influxdata.com