Best Message Brokers in 2025

RabbitMQ is an open source message broker software.

Key RabbitMQ features:

Reliability Flexibility Advanced Features Ease of Use

Open Source

Apache ActiveMQ is an open source messaging and integration patterns server.

Key Apache ActiveMQ features:

Open Source Wide Protocol Support Java Integration High Availability

Open Source

Kubernetes message broker and message queue platform. An open-source project providing the most efficient way to connect microservices.

Open Source

Choose Pro Mosquitto MQTT Broker - the pro version of the world’s #1 MQTT broker to transmit data in a simple, secure, & cost-effective way.

Infor ION provides a simple, scalable middleware framework that helps you achieve unparalleled end-to-end efficiency.

For developers worldwide: customize your online appointment scheduler using our powerful scheduling API & CSS support.

Spend less time worring about operating your streaming platform cluster and spend more time building your real time applications.

Open Source

Conexio is a Cincinnati-based IT company that can give you back freedom to run your business.

AWS Organizations from Amazon Web Services (AWS).

Key AWS Organizations features:

Centralized Management Cost Savings Improved Security Resource Structuring

Other Cloud Integration.

Microsoft Azure Service Bus offers cloud messaging service between applications and services.

Key Microsoft Azure Service Bus features:

Reliable Messaging Advanced Security Scalability Message Queuing and Publish/Subscribe Patterns

Yathit Extension is a sales email platform that integrates SugarCrm with Gmail.

Apache Kafka is an open-source message broker project developed by the Apache Software Foundation written in Scala.

Key Apache Kafka features:

High Throughput Scalability Fault Tolerance Durability

Open Source