Top 7 C++ mqtt-client Projects

Adafruit_MQTT_Library

3 560 5.4 C++

Arduino library for MQTT support
TinyMqtt

3 176 5.9 C++

ESP 8266 / 32 / WROOM Small footprint Mqtt Broker and Client

Project mention: New scalable, fault-tolerant, and efficient open-source MQTT broker | news.ycombinator.com | 2023-12-18

Several different implementations exist, MQTT is a very lightweight protocol so this is very possible.
https://github.com/hsaturn/TinyMqtt

InfluxDB

www.influxdata.com sponsored

Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
ESPecial

8 103 0.7 C++

ESP32 automation with web interface and telegram bot
espMqttClient

10 87 6.9 C++

MQTT client library for the Espressif devices ESP8266 and ESP32 on the Arduino framework. (by bertmelis)

Project mention: esp32 disconnects repeatedly | /r/MQTT | 2023-07-12

Jarolift_MQTT

1 62 0.0 C++

Controlling Jarolift TDEF 433MHZ radio shutters via ESP8266 and CC1101 Transceiver Module in asynchronous mode
Eduponics-Mini

3 56 4.9 C++

MicroPython MQTT & code example for Eduponics mini ESP32 learning kit (by STEMinds)
MqttClient

1 13 0.0 C++

Mqtt Client for PLCnext Control
WorkOS

workos.com sponsored

The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.

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).