Open Source Feature Flagging and A/B Testing Platform

A multi-platform desktop application to evaluate and compare LLM models, written in Rust and React.

Feature flags, experiments, and remote config management with version control

SwitchFeat is an open source and self-hosted feature flags and A/B testing framework written in Nodejs, Typescript and React.

High performance personalization & a/b testing example using Next.js, Edge Middleware, and Builder.io

A lightweight A/B Testing and Feature Flag JavaScript library focused on performance

👨‍🔧 Enhance your React.js app with i18n, string formatting, ab tests and other handy packages!

Unleash SDK for Next.js

React JS SDK client for Split Software

A lightweight A/B Testing and Feature Flag React library focused on performance

Winery.js: a framework for service experimentation

Nuxt module designed to seamlessly integrate A/B testing.

Official GrowthBook MCP server for creating flags, getting experiments, and more.

Croct's official SDK for Next.js.

A fast and lightweight AB-Testing library for React and Next.js based on hooks and functional components. Full Typescript support and result caching is possible.

react-ab-tasty for easy A/B testing with dynamic rendering, persistent state, and logging

Prompt Booster: A comprehensive tool for optimizing LLM prompts with version control, A/B testing, and template management. Supports multiple AI providers (OpenAI, Gemini, DeepSeek, Qwen, etc.) across web and desktop platforms. Increase your AI prompt effectiveness with professional engineering tools.

A/B Testing for scientists and engineers

🚩 Effortless feature flag management in Angular

A/B Testing on the Edge with NextJS, Vercel, and Statsig