Libraries and links

Featureflow open-source SDKs (GitHub)

Featureflow maintains public SDK and example repositories under its GitHub organisation. Read each repo's README for npm package names, supported runtimes, and quick starts — server-side Node is separate from the browser client.

• featureflow on GitHub

  Browse all public repositories (SDKs, examples, docs site source, and more).

• featureflow-node-sdk

  Node.js / server-side JavaScript client (npm: featureflow-node-sdk).

• featureflow-javascript-sdk

  Browser / client-side SDK (published as featureflow-client on npm). Use the Node SDK for server-side JavaScript.

• featureflow-react-native

  Official React Native SDK (@featureflow/react-native-sdk), AsyncStorage-backed caching and hooks.

• react-featureflow-client

  React bindings for the browser client (hooks and providers; aligns with modern React).

Standards

• OpenFeature

  Vendor-neutral specification and APIs for feature flagging.

JavaScript / TypeScript

• OpenFeature JavaScript SDK

  Browser-oriented evaluation patterns.

• Node.js (server) context

  Typical patterns for APIs and workers.

Other runtimes (examples)

• OpenFeature .NET

  Server-side .NET integration overview.

• OpenFeature Go

  Go SDK entry point.

• OpenFeature Java

  JVM ecosystem starting point.

• OpenFeature PHP

  PHP server SDK overview.

• OpenFeature Python

  Python server SDK overview.

• OpenFeature Ruby

  Ruby server SDK overview.