Instead of EMQX
EMQX alternatives
EMQX combines real-time MQTT publish/subscribe messaging with durable queues for IoT business data. Its SQL-based Rule Engine and visual Flow Designer filter, transform, enrich, and route data, while 50+ native integrations connect it with systems such as Kafka, PostgreSQL, AWS, and Azure. It supports MQTT and gateways including QUIC, CoAP, STOMP, and LwM2M, and can run through Docker, Kubernetes, or installation packages. The free Serverless plan allows up to 1,000 connections and has limits of 1,000 sessions, 1,000 TPS, and 1 MB messages; Dedicated Flex starts at $234 per month.
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Lightstreamer
Free plan AndroidAPIiPhone+5Web and mobile apps needing adaptive real-time delivery — Lightstreamer adapts streaming to network conditions and supports web and mobile delivery, rather than centering on MQTT IoT data processing.
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Eclipse Amlen
Free plan AndroidAPIiPhone+3Free MQTT and JMS messaging with custom protocols — Eclipse Amlen adds native MQTT-to-JMS conversion and a protocol plug-in SDK, while EMQX offers broader protocols, integrations, and data processing.
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Faye
Free plan Open source APILinuxMac+3Open-source Bayeux publish-subscribe messaging — Faye uses Bayeux with Node.js and Ruby servers and browser clients, unlike EMQX’s MQTT-focused platform and IoT data-processing tools.
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SocketCluster
Free plan AndroidAPIiPhone+3Multi-process real-time pub/sub and RPC applications — SocketCluster focuses on HTTP and WebSockets applications, with process and machine scaling and automatic channel resubscription rather than MQTT brokering.
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TIBCO FTL
Free plan APILinuxMac+3Application messaging with brokered or peer-to-peer delivery — TIBCO FTL offers broker-based and direct peer-to-peer messaging with typed fields, unlike EMQX’s MQTT platform and SQL-based data flows.
Pricing on request Visit site - 6
Apache Artemis
Free plan APILinuxMac+2Free multi-protocol broker with clustering and persistence — Apache Artemis supports AMQP, MQTT, STOMP, OpenWire, and Core, with clustering and multiple persistence options beyond EMQX’s MQTT-centered platform.
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Apache Qpid Broker-J
Free plan APILinuxMac+2Open-source AMQP routing and queue management — Apache Qpid Broker-J centers on AMQP translation, routing, and queues, while EMQX centers on MQTT and IoT data processing.
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Apache ActiveMQ
Free plan Open source APILinuxMac+3 - 9
Apache RocketMQ
Free plan Open source APILinuxMac+2 - 10
RabbitMQ
Free plan Open source APILinuxMac+3 - 11
Aedes
Free plan APISelf-hosted - 12
Amazon MQ
Free plan APIWeb7.4 Visit site - 13
Amazon SNS
Free plan APIWeb - 14
CloudAMQP
Free plan APILinuxMac+2 - 15
Eclipse Mosquitto
Free plan LinuxMacSelf-hosted+1 - 16
Amazon SQS
Free plan APIWeb - 17
Apache Kafka
Free plan APISelf-hosted - 18
beanstalkd
Free plan LinuxMacSelf-hosted - 19
HiveMQ MQTT Broker
Free plan APILinuxSelf-hosted+1 - 20
IronMQ
Free plan APILinuxSelf-hosted+1 - 21
JORAM
Free plan APILinuxSelf-hosted+1 - 22
Google Cloud Pub/Sub
Free plan APIWeb - 23
Mochi MQTT
Free plan APILinuxSelf-hosted - 24
NanoMQ
Free plan LinuxSelf-hostedWindows - 25
NATS
Free plan APILinuxSelf-hosted
A different messaging model, protocol mix, or client focus may make another product a better fit. EMQX’s free tier has usage limits, and its paid Dedicated Flex plan starts at $234 monthly; weigh those terms against each alternative’s pricing and capabilities. Consider whether you need EMQX’s data-processing tools and integrations, and compare supported protocols, client platforms, scaling, security, and deployment. Some options focus on web and mobile delivery, while others are free message brokers with distinct protocol support or deployment tradeoffs.