Apache Kafka is a distributed, fault-tolerant, high-throughput streaming platform. It's often used as a message broker, but its capabilities extend far beyond traditional message queues. Kafka is designed for handling real-time data feeds, building data pipelines, and enabling stream processing and analysis. It provides a unified platform for handling all the real-time data feeds your organization has.
Apache Pulsar is a distributed, open-source messaging and streaming platform designed for high-performance, scalability, and data consistency. It combines the features of traditional message queues with those of publish-subscribe systems, providing unified platform for real-time event streaming and messaging.
Apache RocketMQ is a distributed messaging and streaming platform with low latency, high performance and reliability, millions of TPS and storage capacity, and flexible scalability. It was originally developed by Alibaba and later open-sourced as an Apache project.