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Apache Iggy vs RabbitMQ

The same facts for both, read from GitHub every night, and the relation a person reviewed.

Apache IggyRabbitMQ
LanguageRustJavaScript
LicenceApache-2.0Other
Stars5k14k
Latestserver-0.9.0v4.3.6
Last push2026-10-062026-10-06
Release cadenceabout 99 days between releasesabout 14 days between releases
Active contributors50 commit authors on the default branch in the last 90 days19+ commit authors on the default branch in the last 90 days
Flagsnonenone

How they relate

  • Both replace Apache Kafka. Alternatives to Apache Kafka →

    PartialApache IggyPersistent message streaming in Rust over TCP, QUIC and HTTP, with its own protocol and clients.

    PartialRabbitMQA message broker first; streams add a replayable, Kafka-like log.