🦔 PostHog is an all-in-one developer platform for building successful products. We offer product analytics, web analytics, session replay, error tracking, feature flags, experimentation, surveys, data warehouse, a CDP, and an AI product assistant to help debug your code, ship features faster, and keep all your usage and customer data in one stack.

Open-source feature management platform

Session replay, cobrowsing and product analytics you can self-host. Ideal for reproducing issues and iterating on your product.

Open Source Feature Flagging and A/B Testing Platform

Production-grade Turborepo template for Next.js apps.

Flagsmith is an open source feature flagging and remote config service. Self-host or use our hosted version at https://app.flagsmith.com.

Countly is a product analytics platform that helps teams track, analyze and act-on their user actions and behaviour on mobile, web and desktop applications.

Enterprise-ready, Git native feature management solution

🐬 Beautiful, performant feature flags for Ruby.

Feature flippers.

Flagr is a feature flagging, A/B testing and dynamic configuration microservice

A tool for refactoring code related to feature flag APIs

GO Feature Flag is a simple, complete and lightweight self-hosted feature flag solution 100% Open Source. 🎛️

Enterprise-grade feature flag platform that you can self-host. Get started - free.

FeatureProbe is an open source feature management service. 开源的高效可视化『特性』管理平台，提供特性开关、灰度发布、AB实验全功能。

A feature flipper for Django

Feature Flags/Toggles for Elixir

⛳️ Feature Flags for Next.js

OpenFeature specification

Feature Flags for the Java platform