| ## Apache RocketMQ [](https://travis-ci.org/apache/rocketmq) [](https://coveralls.io/github/apache/rocketmq?branch=master) |
| [](http://search.maven.org/#search%7Cga%7C1%7Corg.apache.rocketmq) |
| [](https://rocketmq.apache.org/dowloading/releases) |
| [](https://www.apache.org/licenses/LICENSE-2.0.html) |
| |
| **[Apache RocketMQ](https://rocketmq.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: |
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| * 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 |
| * Flexible distributed scale-out deployment architecture |
| * Lightning-fast batch message exchange system |
| * 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 |
| |
| |
| ---------- |
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| ## Learn it & Contact us |
| * Mailing Lists: <https://rocketmq.apache.org/about/contact/> |
| * Home: <https://rocketmq.apache.org> |
| * Docs: <https://rocketmq.apache.org/docs/quick-start/> |
| * Issues: <https://issues.apache.org/jira/browse/RocketMQ> |
| * Ask: <https://stackoverflow.com/questions/tagged/rocketmq> |
| |
| |
| ---------- |
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| ## Apache RocketMQ Community |
| * [RocketMQ Community Projects](https://github.com/apache/rocketmq-externals) |
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| ---------- |
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| ## Contributing |
| We always welcome new contributions, whether for trivial cleanups, big new features or other material rewards, more details see [here](http://rocketmq.apache.org/docs/how-to-contribute/) |
| |
| ---------- |
| ## License |
| [Apache License, Version 2.0](http://www.apache.org/licenses/LICENSE-2.0.html) Copyright (C) Apache Software Foundation |
