**[Apache RocketMQ](https://rocketmq.incubator.apache.org) is a low latency, reliable, scalable, easy to use message oriented middleware born from alibaba massive messaging business.**
**[Apache RocketMQ](https://rocketmq.incubator.apache.org) is a distributed messaging and streaming platform with low latency, high performance and reliability, trillion-level capacity and flexible scalability.**
It offers a variety of features:
* Pub/Sub messaging model
* Scheduled message delivery
* Message retroactivity by time or offset
* Log hub for streaming
* Big data integration
* Reliable FIFO and strict ordered messaging in the same queue
* Efficient pull&push consumption model
* Million-level message accumulation capacity in a single queue
* Multiple messaging protocols like JMS and OpenMessaging
* Various message filter mechanics such as SQL and Tag
* Docker images for isolated testing and cloud isolated clusters
* Feature-rich administrative dashboard for configuration, metrics and monitoring
It offers a variety of features as follows:
* Pub/Sub and P2P messaging model
* Reliable FIFO and strict sequential messaging in the same queue
* Long pull queue model,also support push consumption style
* Million message accumulation ability in single queue
* Over a variety of messaging protocols.such as JMS,MQTT etc.
* Distributed high available deploy architecture, meets at least once message delivery semantics
* Docker images for isolated testing and cloud Isolated clusters
* Feature-rich administrative dashboard for configuration,metrics and monitoring
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## Apache RocketMQ Community
*[RocketMQ Community Incubator Projects](https://github.com/rocketmq)
*[RocketMQ Community Projects](https://github.com/apache/incubator-rocketmq-externals)
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## Contributing
We are always very happy to have contributions, whether for trivial cleanups,big new features or other material rewards. more details see [here](CONTRIBUTING.md)
We always welcome new contributions, whether for trivial cleanups, big new features or other material rewards. more details see [here](CONTRIBUTING.md)
