![Introduction to the Commonly Used MQTT Client Library](/_nuxt/default-poster.DdvgdQMD.png)
This article lists the MQTT client libraries of some commonly used programming languages, and uses sample codes to help readers get started quickly.
This article lists the MQTT client libraries of some commonly used programming languages, and uses sample codes to help readers get started quickly.
Compared with MQTT 3.1.1, MQTT 5.0 protocol adds many properties, which are distributed in variable headers and payloads of packet.