Apache ActiveMQ

Apache ActiveMQ is ranked #1 of 38 in message broker software on Freedom251. It runs on API, Linux, Self-hosted, Windows. There is a free plan.

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Apache ActiveMQ Classic Free Open source · Apache License 2.0 activemq.apache.org · 3 Oct 2026

Compared on message broker software

Free plan: Yes
Deployment model: self_hosted
Delivery guarantees: configurable
Dead-letter queues: Yes
Ordering guarantees: per_queue
Supported protocols: AMQP, MQTT, OpenWire, STOMP, REST

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Apache ActiveMQ

Product: Apache ActiveMQ is an open source messaging and Integration Patterns server.
Messaging protocols: The site lists OpenWire, STOMP, AMQP 1.0, and MQTT 3.1 support.
Client languages: The site lists clients for Java, C, C++, C#, Ruby, Perl, Python, and PHP.
Messaging features: It supports Message Groups, Virtual Destinations, Wildcards, Composite Destinations, and Enterprise Integration Patterns.
JMS support: It partially supports Jakarta Messaging 3.1 and JMS 2.0, and fully supports JMS 1.1 and J2EE 1.4+ with transient, persistent, transactional, and XA messaging.
Integrations: The site lists Spring support, JCA 1.5 resource adaptors, and testing in TomEE, Geronimo, JBoss, GlassFish, and WebLogic.
Transport and persistence: It supports transports including in-VM, TCP, SSL, NIO, UDP, multicast, JGroups, and JXTA, plus JDBC persistence and a high-performance journal.
Web access: The product provides a REST API and Ajax web streaming support for browsers.
Security: The security documentation describes pluggable providers, JAAS authentication, and XML-configured authorization.
Authentication and permissions: The documentation describes authentication with users and groups and destination permissions for read, write, and admin operations.
Release support: The download page marks ActiveMQ 6.3.x and 5.19.x as active, and says active releases receive community updates, security patches, and bug fixes.
Runtime requirements: The download page lists Java compatibility for ActiveMQ 6.3.2 as versions 17, 21, and 25.
Download verification: The project recommends verifying downloads with an ASC signature or SHA-512 checksum.
License: The product is released under the Apache License 2.0.
Price from: Free

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Where it ranks on Freedom251

Best Message Broker Software in 2026#1 of 38
Best Message Queue (MQ) Software in 2026#9 of 27

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Sources

activemq.apache.org/components/classic/· checked 3 Oct 2026
activemq.apache.org/components/classic/documentation/securi· checked 3 Oct 2026
activemq.apache.org/components/classic/download/· checked 3 Oct 2026
activemq.apache.org/components/classic/documentation/what-i· checked 3 Oct 2026