Top 4 Java mqtt-broker Projects

openremote

3 1,067 8.6 Java

100% open-source IoT Platform - Integrate your devices, create rules, and analyse and visualise your data

Project mention: FLaNK Stack Weekly 22 January 2024 | dev.to | 2024-01-22

hivemq-community-edition

4 1,027 8.9 Java

HiveMQ CE is a Java-based open source MQTT broker that fully supports MQTT 3.x and MQTT 5. It is the foundation of the HiveMQ Enterprise Connectivity and Messaging Platform

Project mention: Broker times client out while broker is sending client large message. | /r/MQTT | 2023-12-08

It is developed and supported by HiveMQ, so if you observe any issue you can contact the developers directly.

InfluxDB

www.influxdata.com sponsored

Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
tbmq

2 547 9.6 Java

Open-source, scalable, and fault-tolerant MQTT broker able to handle 4M+ concurrent client connections, supporting at least 3M messages per second throughput per single cluster node with low latency delivery. The cluster mode supports more than 100M concurrently connected clients.

Project mention: FLaNK 25 December 2023 | dev.to | 2023-12-26

mop

2 163 7.2 Java

MQTT on Pulsar implemented using Pulsar Protocol Handler (by streamnative)

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020). The latest post mention was on 2024-01-22.