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aMQTT is an open source MQTT broker and client, natively implemented with Python's asyncio.

Features

Full set of MQTT 3.1.1 protocol specifications
Communication over multiple TCP and/or websocket ports, including support for SSL/TLS
Support QoS 0, QoS 1 and QoS 2 messages flow
Client auto-reconnection on network lost
Plugin framework for functionality expansion; included plugins:
- $SYS topic publishing
- AWS IOT-style shadow states
- x509 certificate authentication (including cli cert creation)
- Secure file-based password authentication
- Configuration-based topic authorization
- MySQL, Postgres & SQLite user and/or topic auth (including cli manager)
- External server (HTTP) user and/or topic auth
- LDAP user and/or topic auth
- JWT user and/or topic auth
- Fail over session persistence

amqtt is available on PyPI

amqtt docs are available on Read the Docs.

Launch from DockerHub

$ docker run -d -p 1883:1883 amqtt/amqtt:latest

The amqtt project runs a test aMQTT broker/server at test.amqtt.io which supports: MQTT, MQTT over TLS, websocket, secure websockets.

amqtt development is available on GitHub. Bug reports, patches and suggestions welcome!