IoT messaging
device-to-cloud telemetry for sensors, smart-home, industrial

// screenshot of emqx.com ↗
EMQX is a distributed MQTT broker built in Erlang — millions of concurrent connections, MQTT 5.0 / MQTT 3.1.1 support, clustering, bridges to Kafka / Postgres / etc. The leading OSS MQTT broker for IoT, real-time messaging, edge computing.
EMQX is a distributed MQTT broker built in Erlang — millions of concurrent connections, MQTT 5.0 / MQTT 3.1.1 support, clustering, bridges to Kafka / Postgres / etc. The leading OSS MQTT broker for IoT, real-time messaging, edge computing.
For teams running anything from a smart-home server (a few thousand connections) to industrial IoT (millions), EMQX is the industry-standard choice.
Concrete scenarios where teams pick EMQX over the SaaS alternative.
device-to-cloud telemetry for sensors, smart-home, industrial
chat, notifications, live updates at scale
connected car platforms
central message broker for Home Assistant / OpenHAB
local broker for offline-capable IoT
If your team profile matches one of these, EMQX is a strong fit out of the box.
building device telemetry at scale
running MQTT broker for Home Assistant / Node-RED
managing thousands of factory sensors
needing pub/sub message broker
developing MQTT-based device fleets
When evaluating self-hosted options for this category, here are the dimensions on which EMQX consistently lands above the alternatives.
The stack you'll plug EMQX into — services, protocols, and adjacent apps in the BluixApps catalog.
emqx/emqx:5.8 (release-tagged)Operational guidance from running this in production — what to do before you scale, what to lock down, what surprises people.
1883:1883 · emqx/emqx:5.8