🦔 PostHog provides open-source product analytics, session recording, feature flagging and A/B testing that you can self-host.

Open-source feature management solution built for developers.

Session replay and analytics tool you can self-host. Ideal for reproducing issues, co-browsing with users and optimizing your product.

Open Source Feature Flagging and A/B Testing Platform

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.

Open Source Feature Flagging and Remote Config Service. Host on-prem or use our hosted version at https://flagsmith.com/

🐬 Beautiful, performant feature flags for Ruby.

Enterprise-ready, GitOps enabled, CloudNative feature management solution

Feature flippers.

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

A tool for refactoring code related to feature flag APIs

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 flags service written in .NET

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

A feature flipper for Django

⛳️ Feature Flags for Next.js

Feature Flags/Toggles for Elixir

Prepare your Laravel apps incredibly fast, with various commands, services, facades and boilerplates.

Feature Flags for the Java platform

Simple, reliable feature toggles in .NET