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Fission vs OpenFaaS

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

FissionOpenFaaS
LanguageGoGo
LicenceApache-2.0Other
Stars8.9k26k
Latestv1.27.00.27.13
Last push2026-10-062026-07-02
Release cadenceabout 19 days between releasesabout 11 days between releases
Active contributors5 commit authors on the default branch in the last 90 days0 commit authors on the default branch in the last 90 days
Flagsnonenone

How they relate

  • Both replace AWS Lambda. Alternatives to AWS Lambda →

    Full replacementFissionFunctions from source in several languages on Kubernetes, triggered by HTTP, timers and queues.

    PartialOpenFaaSFunctions packaged as containers on Kubernetes, scaled on requests, with event connectors in paid editions.