Amazon MQ - Amazon MQ is a managed message broker service for ActiveMQ that makes it easy to set up and operate message brokers in the cloud. Easily migrate messaging.
ZeroMQ - ZeroMQ is a high-performance asynchronous messaging library.
Apache Qpid - Apache Qpid makes messaging tools that speak AMQP and support many languages and platforms.
Apache ActiveMQ - Apache ActiveMQ is an open source messaging and integration patterns server.
CloudAMQP - CloudAMQP automates every part of setup, running and scaling of RabbitMQ clusters. Available on all major cloud and application platforms.
Azure Logic Apps - Discover the leading Integration Platform as a Service (iPaaS) that enables key enterprise scenarios for developers to build powerful integration solutions quickly.