Open Source MQTT Brokers

Top 5 Open-Source MQTT Brokers in 2025: Features and Comparison

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Curious about Open-Source MQTT Brokers for your IoT projects? This blog post dives into five top contenders—Eclipse Mosquitto, EMQX, VerneMQ, HiveMQ Community Edition, and RabbitMQ (with MQTT plugins)—and compares their features, scalability, and ideal use cases. Discover which broker fits your DIY setup or large-scale enterprise needs, and learn how these open-source solutions can power secure, efficient, and future-proof IoT deployments.

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Mosquitto MQTT broker does not restart after altering the config file

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You might have faced some issues after editing the /etc/mosquitto/mosquitto.conf file, follow the below solution to solve the issue Error: Job for mosquitto.service failed because the control process exited with error code.See “systemctl status mosquitto.service” and “journalctl -xeu mosquitto.service” for details. Solution: Place your custom configuration files in the /etc/mosquitto/conf.d/ directory, which is included by

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