# EMQ - Erlang MQTT Broker
EMQ(Erlang MQTT Broker) is a distributed, massively scalable, highly extensible MQTT message broker written in Erlang/OTP.
Adopt a shortened project name since 2.0 release: EMQ
EMQ is fully open source and licensed under the Apache Version 2.0. EMQ implements both MQTT V3.1 and V3.1.1 protocol specifications, and supports MQTT-SN, CoAP, WebSocket, STOMP and SockJS at the same time.
EMQ provides a scalable, reliable, enterprise-grade MQTT message Hub for IoT, M2M, Smart Hardware and Mobile Messaging Applications. Sensors, Mobiles, Web Browsers and Application Servers could be connected by EMQ brokers with asynchronous PUB/SUB MQTT messages.
Apache License Version 2.0