Apache Kafka vs Apache Pulsar

Apache KafkaApache Pulsar
LicenseApache-2.0Apache-2.0
Latest version——
GitHub stars33,44915,301
GitHub forks15,3943,747
Open issues4951,688
Releases (90d)07
npm downloads (week)——
PyPI downloads (week)——

Sources: official APIs (GitHub, npm, PyPI, crates.io). Capture dates shown on each tool page. Missing value = the source does not publish it ("—", never estimated).