Flagsmith is an open-source feature flag platform with remote config, experimentation, and self-hosted or cloud deployment options.
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Updated
Sep 18, 2026 - Python
Flagsmith is an open-source feature flag platform with remote config, experimentation, and self-hosted or cloud deployment options.
Web App and Mobile App for Flagsmith
Javascript Client for Flagsmith. Ship features with confidence using feature flags and remote config. Host yourself or use our hosted version at https://www.flagsmith.com/
This is the documentation repository for the Docs of Flagsmith. Ship features with confidence using feature flags and remote config. Host yourself or use our hosted version at https://www.flagsmith.com/
Flagsmith Node JS Client. Flagsmith lets you manage features flags across web, mobile and server side applications. Get builds out faster. Control who has access to new features.
Java Client for Flagsmith. Ship features with confidence using feature flags and remote config. Host yourself or use our hosted version at https://www.flagsmith.com/
Feature Flipper, Feature Flags, Rollout Flags, Feature Toggles for Crystal
PHP Client for Flagsmith. Ship features with confidence using feature flags and remote config. Host yourself or use our hosted version at https://www.flagsmith.com/
Ruby Client for Flagsmith. Ship features with confidence using feature flags and remote config. Host yourself or use our hosted version at https://www.flagsmith.com/
FFAAS - Feature flagging as a service.
To associate your repository with the feature-flaggers topic, visit your repo's landing page and select "manage topics."