RabbitMQ is an open-source message broker technology that developers can use to create a high-performance, reliable, and scalable communication infrastructure. It provides a wide range of features, such as message queues, exchanges, routing, and publish/subscribe capabilities. RabbitMQ is a great choice for developers looking to build distributed systems with low-latency and high-throughput messaging capabilities. It is also highly-scalable and supports a variety of languages, making it easy to integrate with existing systems. With its extensive set of features and flexibility, RabbitMQ is a great way to quickly set up messaging infrastructure.