RabbitMQ - RabbitMQ is an open source message broker software.
Infor ION - Infor ION provides a simple, scalable middleware framework that helps you achieve unparalleled end-to-end efficiency.
Apache ActiveMQ - Apache ActiveMQ is an open source messaging and integration patterns server.
AWS Organizations - AWS Organizations from Amazon Web Services (AWS)
ZeroMQ - ZeroMQ is a high-performance asynchronous messaging library.
Apache Kafka - Apache Kafka is an open-source message broker project developed by the Apache Software Foundation written in Scala.