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Apache Iggy vs Apache RocketMQ

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

Apache IggyApache RocketMQ
LanguageRustJava
LicenceApache-2.0Apache-2.0
Stars5k23k
Latestserver-0.9.0rocketmq-all-5.5.1
Last push2026-10-062026-10-03
Release cadenceabout 99 days between releasesabout 119 days between releases
Active contributors50 commit authors on the default branch in the last 90 days21 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.

    Full replacementApache RocketMQStreaming and messaging with transactional and delayed messages, through its own protocol and clients.