Java pub-sub Projects

kafdrop

4 4,374 8.6 Java

Kafka Web UI

Project mention: Kafka visualization tool | reddit.com/r/apachekafka | 2023-02-15
kop

3 385 8.0 Java

Kafka-on-Pulsar - A protocol handler that brings native Kafka protocol to Apache Pulsar

Project mention: Interview question | reddit.com/r/java | 2023-02-23

I process hospitality data somewhat similarly, but use Pulsar and can individually acknowledge messages, have DLQs built in, and if needed can stream just like Kafka. And if I need Kafka compatibility, I can use something like StreamNative's KOP and get Kafka compatibility over my existing Pulsar queues.
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NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020). The latest post mention was on 2023-02-23.