Apache Pulsar

Distributed messaging and streaming with multi-tenancy.

About Apache Pulsar

Apache Pulsar is open source and is free to use.

People switching from Apache Kafka often consider Apache Pulsar.

Apache Pulsar is an alternative to

Apache KafkaSee all Apache Kafka alternatives

Similar to Apache Pulsar

Amazon KinesisReal-time data streaming on AWS.
Google Pub/SubManaged messaging on Google Cloud.
NATSLightweight, high-performance messaging system.
RabbitMQPopular open-source message broker.
RedpandaKafka-compatible streaming platform without the JVM or ZooKeeper.

Listed for information; LaunchStall isn’t affiliated with Apache Pulsar. The quoted description comes from pulsar.apache.org. Features and plans change — check the official site for current details.