RabbitMQ RabbitMQ’s architecture is designed for complex message routing. It uses the push model. It supports message priorities. RabbitMQ has low latency. It sends thousands of messages per second. RabbitMQ supports a broad range of languages and legacy protocols. language- Java, Python, Ruby, JavaScript/Node.js, Go, .NET/C#, PHP, Many More Kafka Kafka uses partition-based design for real-time, high-throughput stream processing.