EMQX
The World's Most Scalable Open Source MQTT Broker for IoT.
Overview
EMQX is an open-source MQTT broker designed for massive scale and high performance. It serves as the communication backbone for large-scale IoT deployments, reliably routing messages between devices and backend systems. With features like clustering, high availability, and a powerful rules engine, EMQX is suitable for mission-critical applications in various industries.
✨ Key Features
- Massive scalability (100M+ concurrent connections per cluster)
- High availability and fault tolerance through clustering
- Low-latency message delivery
- Support for MQTT v3.1, v3.1.1, and v5.0
- Built-in rules engine for data processing and integration
- Extensible with plugins
- Available as open-source, cloud, and enterprise offerings
🎯 Key Differentiators
- Proven massive scalability
- Rich set of enterprise features in the open-source version
- Powerful built-in rules engine
- High performance and low latency
Unique Value: Provides a massively scalable and reliable real-time messaging backbone for IoT, enabling companies to connect millions of devices with confidence.
🎯 Use Cases (4)
✅ Best For
- Messaging backbone for electric vehicle charging networks
- Data ingestion for smart factory sensor networks
💡 Check With Vendor
Verify these considerations match your specific requirements:
- Complete IoT platforms (EMQX is a message broker)
- Small-scale projects that do not require high scalability
🏆 Alternatives
Compared to Mosquitto, EMQX is designed for clustering and large-scale deployments from the ground up. Unlike the brokers in hyperscaler platforms, EMQX can be deployed anywhere (on-prem, private cloud, etc.) and avoids vendor lock-in.
💻 Platforms
✅ Offline Mode Available
🔌 Integrations
🛟 Support Options
- ✓ Email Support
- ✓ Dedicated Support (Enterprise tier)
🔒 Compliance & Security
💰 Pricing
✓ 14-day free trial
Free tier: Open source version is free. EMQX Cloud has a free tier for serverless.
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