Apache Pulsar

Cloud-Native, Distributed Messaging and Streaming

Message-oriented middleware · by Apache Software Foundation · pulsar.apache.org

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What Apache Pulsar’s own pages say

What it says it doesCloud-Native, Distributed Messaging and Streaming pulsar.apache.org
IntegrationsCassandra, Elasticsearch, MySQL pulsar.apache.org
Open sourceYes pulsar.apache.org
LicenseApache Pulsar is available under the Apache License, version 2.0. pulsar.apache.org

Each value is a quote AirStack found on the product’s own pages, read 2026-11-05. A missing field means AirStack has not found it on its pages.