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Message Brokers
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1.Apache Kafka1,435 usages

org.apache.kafka » kafka Apache

The core Apache Kafka server and client libraries for building distributed streaming platforms.
Last Release on Mar 17, 2026

2.ActiveMQ :: Broker602 usages

org.apache.activemq » activemq-broker Apache

The ActiveMQ Message Broker implementation
Last Release on Apr 21, 2026

3.Apache Qpid Broker J77 usages

org.apache.qpid » qpid-broker Apache

Broker configuration and executable
Last Release on Dec 10, 2025

4.JeroMQ233 usages

org.zeromq » jeromq MPL

Pure Java implementation of libzmq
Last Release on Feb 6, 2024

5.HornetQ Server53 usages

org.hornetq » hornetq-server Apache

HornetQ Server
Last Release on Dec 14, 2024

6.HornetQ JMS Server43 usages

org.hornetq » hornetq-jms-server Apache

HornetQ JMS Server
Last Release on Dec 14, 2024

7.RocketMQ Broker 5.5.019 usages

org.apache.rocketmq » rocketmq-broker Apache

The Apache Software Foundation provides support for the Apache community of open-source software projects. The Apache projects are characterized by a collaborative, consensus based development process, an open and pragmatic software license, ...
Last Release on Apr 10, 2026

8.Hermes API6 usages

pl.allegro.tech.hermes » hermes-api Apache

Fast and reliable message broker built on top of Kafka.
Last Release on May 7, 2026

9.ActiveMQ :: Core629 usages

org.apache.activemq » activemq-core Apache

The ActiveMQ Message Broker and Client implementations
Last Release on Oct 2, 2012

Relocated → org.apache.activemq » activemq-broker

10.HornetQ Core89 usages

org.hornetq » hornetq-core Apache

HornetQ Core
Last Release on Oct 23, 2012