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@open-feature

OpenFeature

Standardizing Feature Flagging for Everyone

OpenFeature Logo

Welcome to the OpenFeature project 👋

OpenFeature is an open specification that provides a vendor-agnostic, community-driven API for feature flagging that works with your favorite feature flag management tool or in-house solution.

Learn More 📚 · Get Started 🔭 · Contribute 😍 · Discover the Ecosystem 🧭


👋 Getting involved

There is a lot to do! If you're interested in getting involved, please join our Slack channel, the mailing lists, and attend the community meetings. We're a friendly, collaborative group and look forward to working together!

Learn how to get involved in the OpenFeature Contributor Ladder.

🦺 Help keep our community safe, inviting, and inclusive

OpenFeature follows the CNCF Community Code of Conduct. Please abide by this Code of Conduct when interacting with all repositories under the OpenFeature umbrella and when interacting with people.

👾 Reporting Security Incidents

Please be mindful that Security-related issues should be reported through our Security Policy as Security-related issues and vulnerabilities can be exploited and we request confidentiality whenever possible.


OpenFeature is a CNCF incubating project.

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  1. spec spec Public

    OpenFeature specification

    Python 1.1k 51

  2. community community Public

    OpenFeature project community and governance

    JavaScript 102 101

  3. openfeature.dev openfeature.dev Public

    OpenFeature Website

    TypeScript 58 99

  4. playground playground Public

    OpenFeature SDK demos and experimentation

    TypeScript 72 30

  5. open-feature-operator open-feature-operator Public

    A Kubernetes feature flag operator

    Go 284 54

  6. flagd flagd Public

    A feature flag daemon with a Unix philosophy

    Go 887 106

Repositories

Showing 10 of 57 repositories
  • java-sdk Public

    Java implementation of the OpenFeature SDK

    open-feature/java-sdk’s past year of commit activity
    Java 118 Apache-2.0 53 12 (2 issues need help) 12 Updated Mar 26, 2026
  • kotlin-sdk-contrib Public

    Community contributions for hooks and reference providers

    open-feature/kotlin-sdk-contrib’s past year of commit activity
    Kotlin 2 Apache-2.0 2 3 12 Updated Mar 26, 2026
  • cpp-sdk-contrib Public

    OpenFeature Providers and Hooks for C++

    open-feature/cpp-sdk-contrib’s past year of commit activity
    C++ 1 Apache-2.0 0 14 (1 issue needs help) 3 Updated Mar 26, 2026
  • openfeature.dev Public

    OpenFeature Website

    open-feature/openfeature.dev’s past year of commit activity
    TypeScript 58 CC-BY-4.0 99 16 4 Updated Mar 26, 2026
  • ruby-sdk-contrib Public

    Community contributions for hooks and reference providers in Ruby

    open-feature/ruby-sdk-contrib’s past year of commit activity
    Ruby 5 Apache-2.0 10 2 2 Updated Mar 26, 2026
  • cpp-sdk Public

    C++ SDK for OpenFeature

    open-feature/cpp-sdk’s past year of commit activity
    C++ 5 Apache-2.0 1 11 3 Updated Mar 26, 2026
  • spec Public

    OpenFeature specification

    open-feature/spec’s past year of commit activity
    Python 1,083 Apache-2.0 51 24 (2 issues need help) 8 Updated Mar 25, 2026
  • open-feature-operator Public

    A Kubernetes feature flag operator

    open-feature/open-feature-operator’s past year of commit activity
    Go 284 Apache-2.0 54 32 (7 issues need help) 19 Updated Mar 25, 2026
  • go-sdk-contrib Public

    Community maintained OpenFeature Providers and Hooks for Go

    open-feature/go-sdk-contrib’s past year of commit activity
    Go 73 Apache-2.0 78 26 (3 issues need help) 18 Updated Mar 24, 2026
  • flagd Public

    A feature flag daemon with a Unix philosophy

    open-feature/flagd’s past year of commit activity
    Go 887 Apache-2.0 106 116 (9 issues need help) 12 Updated Mar 24, 2026