Tessa Burk perform a comparson:
Apache Kafka® and Apache Pulsar™ are 2 popular message broker software options. Although they share certain similarities, there are big differences between them that impact their suitability for various projects.
In this comparison guide, we will explore the functionality of Kafka and Pulsar, explain the differences between the software, who would use them, and why.
Click through for that comparison. I haven’t used Pulsar before, so it’s interesting to get this sort of a functionality and community comparison.