1.rabbitmq / rabbitmq-serverOpen source RabbitMQ: core server and tier 1 (built-in) pluginsrabbitmqamqpmessagingamqp-0-9-1amqp1-0mqtt+4 moreJavaScriptOther license14K total4K forks+56 starsfrom 13,898 · score 4.04
2.moscajs / aedesBarebone MQTT broker that can run on any stream server, the node waymqttmqtt-brokernodejsmqtt-servermosquittoiot+3 moreJavaScriptMIT2K total240 forks+8 starsfrom 1,972 · score 2.20
3.faye / fayeSimple pub/sub messaging for the webJavaScriptOther license4.4K total367 forks+1 starsfrom 4,382 · score 0.69