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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 1.3k 59

  2. community community Public

    OpenFeature project community and governance

    JavaScript 104 105

  3. openfeature.dev openfeature.dev Public

    OpenFeature Website

    TypeScript 65 123

  4. playground playground Public

    OpenFeature SDK demos and experimentation

    TypeScript 77 31

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

    A Kubernetes feature flag operator

    Go 317 63

  6. flagd flagd Public

    A feature flag daemon with a Unix philosophy

    Go 1k 140

Repositories

Showing 10 of 60 repositories
  • go-sdk Public

    Go SDK for OpenFeature

    open-feature/go-sdk's past year of commit activity
    Go 251 Apache-2.0 65 41 (1 issue needs help) 13 Updated Oct 4, 2026
  • js-sdk Public

    JavaScript SDK for OpenFeature

    open-feature/js-sdk's past year of commit activity
    TypeScript 284 Apache-2.0 72 23 (1 issue needs help) 27 Updated Oct 4, 2026
  • flagd-ofrep-cf-worker Public

    Cloudflare Worker for OpenFeature Remote Evaluation Protocol using flagd

    open-feature/flagd-ofrep-cf-worker's past year of commit activity
    TypeScript 1 Apache-2.0 0 1 4 Updated Oct 4, 2026
  • java-sdk-contrib Public

    Community contributions for hooks and reference providers

    open-feature/java-sdk-contrib's past year of commit activity
    Java 49 Apache-2.0 82 23 (4 issues need help) 31 Updated Oct 4, 2026
  • flagd-evaluator Public

    A shareable flagd evaluator for multiple SDKs

    open-feature/flagd-evaluator's past year of commit activity
    Rust 0 Apache-2.0 1 11 13 Updated Oct 4, 2026
  • dotnet-sdk Public

    .NET implementation of the OpenFeature SDK

    open-feature/dotnet-sdk's past year of commit activity
    C# 140 Apache-2.0 27 14 5 Updated Oct 4, 2026
  • ruby-sdk Public

    Ruby implementation of the OpenFeature SDK

    open-feature/ruby-sdk's past year of commit activity
    Ruby 43 Apache-2.0 18 4 6 Updated Oct 4, 2026
  • spec Public

    OpenFeature specification

    open-feature/spec's past year of commit activity
    Python 1,267 Apache-2.0 59 32 (1 issue needs help) 14 Updated Oct 3, 2026
  • cli Public

    OpenFeature’s official command-line tool

    open-feature/cli's past year of commit activity
    Go 63 Apache-2.0 22 21 (4 issues need help) 8 Updated Oct 3, 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 13 2 (1 issue needs help) 12 Updated Oct 3, 2026