1.Koenkk / zigbee2mqttZigbee 🐝 to MQTT bridge 🌉, get rid of your proprietary Zigbee bridges 🔨hacktoberfestTypeScriptGPL-3.016K total2.1K forks+27 starsfrom 15,760 · score 3.33
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3.emqx / emqxThe most scalable and reliable MQTT broker for AI, IoT, IIoT and connected vehiclesmqttiotmqtt-brokererlangiot-middlewarebroker+14 moreErlangOther license17K total2.6K forks+18 starsfrom 16,862 · score 2.94
4.cesanta / mongooseEmbedded web server, with TCP/IP network stack, MQTT and Websocketwebsocketmqttembeddedwebserverweb-serveriot+5 moreCOther license13K total3K forks+12 starsfrom 13,114 · score 2.56
5.rabbitmq / rabbitmq-serverOpen source RabbitMQ: core server and tier 1 (built-in) pluginsrabbitmqamqpmessagingamqp-0-9-1amqp1-0mqtt+4 moreJavaScriptOther license14K total4K forks+5 starsfrom 13,949 · score 1.79