1.eclipse-mosquitto / mosquittoEclipse Mosquitto - An open source MQTT brokermqttbrokermosquittoeclipse-iotiotmessaging+3 moreCOther license11K total2.7K forks+264 starsfrom 11,070 · score 5.58
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3.confluentinc / librdkafkaThe Apache Kafka C/C++ librarykafkakafka-consumerapache-kafkahigh-performanceclibrdkafka+3 moreCOther license1.1K total3.3K forks+67 starsfrom 1,016 · score 4.22
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6.edenhill / kcatGeneric command line non-JVM Apache Kafka producer and consumerCOther license5.8K total498 forks+23 starsfrom 5,770 · score 3.18
7.pipelinedb / pipelinedbHigh-performance time-series aggregation for PostgreSQLrealtimestream-processinganalyticssqlpushpostgresql+3 moreCAPACHE-2.02.7K total243 forks+7 starsfrom 2,658 · score 2.08