The most scalable and reliable MQTT broker for AI, IoT, IIoT and connected vehicles
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Updated
Feb 13, 2026 - Erlang
EMQX is a scalable and popular open source MQTT broker with a high performance that connects 100M+ IoT devices in 1 cluster at 1ms latency.
The most scalable and reliable MQTT broker for AI, IoT, IIoT and connected vehicles
EMQX Plugin Template and Demo
Authentication, ACL with MySQL Database
EMQX Dashboard Malicious Plugin leading to RCE
EMQX HTTP Authentication/ACL Plugin
Bridge of MQTT (deprecated since EMQX v5)
EMQX PostgreSQL Authentication Plugin
EMQX Redis Authentication/ACL Plugin
EMQX JWT Authentication Plugin
EMQX Authentication/ACL with MongoDB
EMQX Authentication with Username and Password
Created by EMQ Technologies
Released January 8, 2015