1.apache / rocketmqApache RocketMQ is a cloud native messaging and streaming platform, making it simple to build event-driven applications.rocketmqcloud-nativeeventingjavamessagingstreaming+1 moreJavaAPACHE-2.023K total12K forks+40 starsfrom 22,609 · score 3.71
2.apache / pulsarApache Pulsar - distributed pub-sub messaging systempulsarpubsubmessagingstreamingqueuingevent-streamingJavaAPACHE-2.015K total3.8K forks+22 starsfrom 15,330 · score 3.14