https://github.com/dromara/mica-mqtt
java mqtt 基于 java aio 实现，开源、简单、易用、低延迟、高性能百万级 java mqtt client 组件和 java mqtt broker 服务。降低自研 iot 物联网平台难度。🔝🔝 记得右上角点个star 关注更新！
https://github.com/dromara/mica-mqtt
iot java mqtt mqtt-broker mqtt-client mqtt-cluster spring spring-boot things
Last synced: 2 days ago
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java mqtt 基于 java aio 实现，开源、简单、易用、低延迟、高性能百万级 java mqtt client 组件和 java mqtt broker 服务。降低自研 iot 物联网平台难度。🔝🔝 记得右上角点个star 关注更新！
- Host: GitHub
- URL: https://github.com/dromara/mica-mqtt
- Owner: dromara
- License: apache-2.0
- Created: 2020-09-13T06:30:06.000Z (over 4 years ago)
- Default Branch: master
- Last Pushed: 2025-05-13T04:09:36.000Z (5 days ago)
- Last Synced: 2025-05-13T05:20:24.755Z (5 days ago)
- Topics: iot, java, mqtt, mqtt-broker, mqtt-client, mqtt-cluster, spring, spring-boot, things
- Language: Java
- Homepage: https://mica-mqtt.dromara.org
- Size: 2.39 MB
- Stars: 357
- Watchers: 9
- Forks: 66
- Open Issues: 2
-
Metadata Files:
- Readme: README.en.md
- Changelog: CHANGELOG.md
- License: LICENSE
- Security: SECURITY.md
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README
# 🌐 Dromara mica mqtt
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[](https://github.com/dromara/mica-mqtt/blob/master/LICENSE)
[](https://gitcode.com/dromara/mica-mqtt)
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[](https://github.com/dromara/mica-mqtt)
---
📖English | [📖简体中文](README.md)
Dromara `mica-mqtt` is a **low-latency** and **high-performance** `mqtt` Internet of Things component. For more usage details, please refer to the **mica-mqtt-example** module.
## 🍱 Use Cases
- Internet of Things (cloud-based MQTT broker)
- Internet of Things (edge messaging communication)
- Group IM
- Message push
- Easy-to-use MQTT client
## 🚀 Advantages
- Ordinary yet not monotonous, simple yet not lackluster.
- Manual transmission (more conducive to secondary development or expansion).
- A newborn calf; infinite possibilities.
## ✨ Features
- [x] Support for MQTT v3.1, v3.1.1, and v5.0 protocols.
- [x] Support for WebSocket MQTT sub-protocol (compatible with mqtt.js).
- [x] Support for HTTP REST API, see [HTTP API Documentation](docs/http-api.md) for details.
- [x] Support for MQTT client, support Android native.
- [x] Support for MQTT server, support Android native.
- [x] Support for MQTT Will messages.
- [x] Support for MQTT Retained messages.
- [x] Support for custom message (MQ) processing and forwarding to achieve clustering.
- [x] MQTT client **Alibaba Cloud MQTT**、**HuaWei MQTT** connection demo.
- [x] Support for GraalVM compilation into native executable programs.
- [x] Support for rapid access to Spring Boot、Solon and JFinal projects.
- [x] Spring boot and Solon client plugins support session retention.
- [x] Support for integration with Prometheus + Grafana for monitoring.
- [x] Cluster implementation based on Redis pub/sub, see [mica-mqtt-broker module](mica-mqtt-broker) for details.
## 🌱 To-do
- [ ] Optimize the handling of MQTT server sessions and simplify the use of MQTT v5.0.
- [ ] Implement rule engine based on easy-rule + druid sql parsing.
## 🚨 Default Ports
| Port | Protocol | Description |
| ---- | --------------- | -------------------------------- |
| 1883 | tcp | MQTT TCP port |
| 8083 | http, websocket | HTTP API and WebSocket MQTT port |
**Demo Address**: mqtt.dreamlu.net, same ports，username: mica password: mica
## 📦️ Dependencies
### Spring Boot Project
**Client:**
```xml
org.dromara.mica-mqtt
mica-mqtt-client-spring-boot-starter
${mica-mqtt.version}
```
**Configuration Details**: [mica-mqtt-client-spring-boot-starter Documentation](starter/mica-mqtt-client-spring-boot-starter/README.md)
**Server:**
```xml
org.dromara.mica-mqtt
mica-mqtt-server-spring-boot-starter
${mica-mqtt.version}
```
**Configuration Details**: [mica-mqtt-server-spring-boot-starter Documentation](starter/mica-mqtt-server-spring-boot-starter/README.md)
### Non-Spring Boot Project
**Client:**
```xml
org.dromara.mica-mqtt
mica-mqtt-client
${mica-mqtt.version}
```
**Configuration Details**: [mica-mqtt-client Documentation](mica-mqtt-client/README.md)
**Server:**
```xml
org.dromara.mica-mqtt
mica-mqtt-server
${mica-mqtt.version}
```
**Configuration Details**: [mica-mqtt-server Documentation](mica-mqtt-server/README.md)
## 📝 Documentation
- [Introduction to MQTT, mqttx, and mica-mqtt **Video**](https://www.bilibili.com/video/BV1wv4y1F7Av/)
- [Getting Started with mica-mqtt](example/README.md)
- [mica-mqtt HTTP API Documentation](docs/http-api.md)
- [Frequently Asked Questions about mica-mqtt Usage](https://gitee.com/596392912/mica-mqtt/issues/I45GO7)
- [mica-mqtt Release Versions](CHANGELOG.md)
## 🏗️ MQTT Client Tools
- [Mqttx: An Elegant Cross-platform MQTT 5.0 Client Tool](https://mqttx.app)
## 🍻 Open Source Recommendations
- `Avue`: A Vue-based configurable front-end framework: [https://gitcode.com/superwei/avue](https://gitcode.com/superwei/avue)
- `Pig`: Microservice framework featured on CCTV (architectural essential): [https://gitcode.com/pig-mesh/pig](https://gitcode.com/pig-mesh/pig)
- `SpringBlade`: Enterprise-level solution (essential for enterprise development): [https://gitcode.com/bladex/SpringBlade](https://gitcode.com/bladex/SpringBlade)
## 📱 WeChat
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