NATS

Lightweight, high-performance messaging system.

About NATS

In NATS’s own words: “NATS is a connective technology powering modern distributed systems, unifying Cloud, On-Premise, Edge, and IoT.”

NATS is open source and is free to use.

People switching from Apache Kafka often consider NATS.

NATS is an alternative to

Apache KafkaSee all Apache Kafka alternatives

Similar to NATS

Amazon KinesisReal-time data streaming on AWS.
Apache PulsarDistributed messaging and streaming with multi-tenancy.
Google Pub/SubManaged messaging on Google Cloud.
RabbitMQPopular open-source message broker.
RedpandaKafka-compatible streaming platform without the JVM or ZooKeeper.

Listed for information; LaunchStall isn’t affiliated with NATS. The quoted description comes from nats.io. Features and plans change — check the official site for current details.