Comparisons anchored on EMQX, the clustered MQTT platform under the Business Source License since 5.9.0, against open-source MQTT brokers and streaming systems.
A clustered MQTT platform against a lightweight single broker: protocol support, clustering and rule engine in EMQX against Mosquitto's footprint on devices and servers, plus the license each needs for production clustering.
Licensing compared for MQTT deployments: EMQX's Business Source License with a single-node production grant and a license file for clusters, against Mosquitto's EPL-2.0 or BSD-3-Clause license and Cedalo's commercial Pro Edition.
EMQX against the Apache-2.0 HiveMQ CE: MQTT 5 support, extension SDKs, data integrations and clustering, where clustering needs an EMQX license file or the commercial HiveMQ Broker, and what scaling each requires.
The three MQTT brokers on most IoT shortlists compared on license, protocol support, clustering and high availability, extension models, data integration and footprint, with the commercial editions each vendor sells.
MQTT broker or event streaming platform for device data: EMQX for device connections, QoS and MQTT features against Kafka for durable retention and stream processing, and the common pattern of bridging EMQX into Kafka.
Two messaging systems for edge and IoT compared: EMQX's MQTT-native broker and rule engine against NATS with JetStream, leaf nodes and a small single binary, covering protocols, persistence, multi-tenancy and licensing.
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