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OpenMQTTGateway

Bridge for RF, IR, BLE, and sensors to MQTT

Home Automation ★ 4.1k stars Medium setup GPL-3.0

OpenMQTTGateway is firmware that turns inexpensive microcontrollers into bridges between MQTT and protocols like 433MHz RF, infrared, BLE, and LoRa. It integrates a wide range of cheap sensors into home automation.

Official siteSource code

Key features

  • RF, IR, BLE bridging
  • MQTT integration
  • Cheap sensor support
  • Home Assistant ready

Strengths

  • Released under the GPL-3.0 license
  • Active community (4.1k GitHub stars)
  • Written in C++
  • Tiny footprint — runs in 64 MB RAM

Is OpenMQTTGateway secure?

OSV.dev has no published security advisories for OpenMQTTGateway's repository. No known vulnerabilities is not proof of security: it means none have been publicly catalogued.

Source: OSV.dev, checked 2026-10-14. How this is measured.

OpenMQTTGateway replaces

Self-hosted SmartThings Hub alternatives

Health badge

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SelfHostIndex: 73 · good

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The score is recomputed on every nightly rebuild from public repository data — see how it is calculated.

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