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Fluvio vs Apache Iggy

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

FluvioApache Iggy
LanguageRustRust
LicenceApache-2.0Apache-2.0
Stars5.3k5k
Latestv0.18.1server-0.9.0
Last push2026-08-302026-10-06
Release cadencetoo few releasesabout 99 days between releases
Active contributors0 commit authors on the default branch in the last 90 days50 commit authors on the default branch in the last 90 days
Flagsnonenone

How they relate

  • Both replace Apache Kafka. Alternatives to Apache Kafka →

    PartialFluvioStreaming in Rust with WebAssembly transforms, with its own protocol and clients.

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