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RabbitMQ

Free#1 of 39 in Message Broker SoftwareDistributed SystemsMessage Queue (MQ) Software

RabbitMQ: A broad, open-source broker for queues, routing, streaming, and hybrid deployments. Ranked #1 of 39 in Message Broker Software by our editors (9.4/10); pricing: Free plan; best for general-purpose open-source messaging.

9.4/10Editor score
Visit RabbitMQ
RabbitMQ9.4 Visit RabbitMQ

At a glance

  • Editor score
    9.4 / 10
  • Pricing
    Free plan
  • Best for
    General-purpose open-source messaging
  • Free plan
    Yes
  • Paid from
    Free
  • Deployment model
    Hybrid
  • Founded
    2007
  • Facts checked
    20 Sep 2026
RabbitMQ screenshot

  • Where it wins

    • Supports queues, exchanges, routing, acknowledgements, and dead-lettering
    • Offers quorum queues, federation, shovels, and RabbitMQ Streams
    • Supports AMQP, MQTT, STOMP, HTTP, WebSocket, and multiple deployments

  • Where it doesn't

    • Commercial Tanzu RabbitMQ support and enterprise features are separate
    • The documented default message-size limit is 16 MB
    • Ordering guarantees apply per queue

Our verdict on RabbitMQ

RabbitMQ is an open-source messaging and streaming broker for distributed applications, microservices, real-time data systems, and IoT workloads. It is suited to teams that need general-purpose message queues, exchanges, routing, acknowledgements, replication, dead-lettering, and streaming across cloud, on-premises, or local-machine deployments. Its hybrid deployment model and support for multiple protocols make it applicable to varied application architectures.

Its main strength is breadth. RabbitMQ supports AMQP 0-9-1, AMQP 1.0, MQTT, STOMP, RabbitMQ Streams, HTTP, and WebSocket, alongside an HTTP management API. Quorum queues provide replicated message storage, while publisher confirms, message acknowledgements, dead-letter exchanges, filtering, federation, and Shovels address different delivery and connectivity needs. Delivery guarantees are configurable, and ordering guarantees are defined per queue. The documented default message-size limit is 16 MB, which should be considered when designing payload handling.

RabbitMQ Community Edition is free and open source, with commercial Tanzu RabbitMQ support and enterprise features offered separately. That makes it a strong fit for organizations that want control over deployment and messaging architecture without a software license fee for the community edition. Choose RabbitMQ when protocol coverage, routing options, hybrid operation, and a wide messaging feature set matter more than a narrow managed-service experience. Teams that require commercial support or enterprise features should evaluate the separate Tanzu RabbitMQ offerings.

Your product? Our editors can test RabbitMQ in depth and publish a review, labelled as paid · from $149/mo →

RabbitMQ pricing

Plans Free planFree Free to use — no paid tier required for the core job.
See plans on rabbitmq.com

RabbitMQ fact sheet

Free planYes
Paid fromFree
Deployment modelHybrid
Delivery guaranteesConfigurable
Dead-letter queuesYes
Ordering guaranteesPer_queue
Maximum message size16 MB
Supported protocolsAMQP 0-9-1, AMQP 1.0, MQTT, STOMP, RabbitMQ Streams, HTTP, WebSocket
DeploymentCloud, Self-hosted
PlatformsWindows, macOS, Linux
SupportCommunity, Docs, Email · 24/7
Built forSmall business, Mid-market, Enterprise (editorial estimate)
PricingFree plan
Websiterabbitmq.com
Facts checked20 Sep 2026

Alternatives to RabbitMQ

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RabbitMQ vs the competition

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Also Ranked In

RabbitMQ is ranked in 3 of our directories.

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Featured on iTechGuides

Featured on iTechGuides — RabbitMQ 9.4/10

RabbitMQ is listed in our Message Broker Software directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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