Flagsmith/flagsmith
Flagsmith is an open-source feature flag platform with remote config, experimentation, and self-hosted or cloud deployment options.
Open source alternative to LaunchDarkly
Flagsmith is an open source Python project by Flagsmith, created in June 2018. It has 6,608 stars and 591 forks on GitHub and is released under the BSD-3-Clause license. Its most recent commit was on Oct 21, 2026, and it has 602 open issues, 13 of them labelled “good first issue”, which makes it a friendly place to start contributing. Its GitHub topics include feature-flags, continuous-integration, remote-control, and ci.
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