🦔 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 Flags, Experimentation, and Product Analytics

Progressive delivery Kubernetes operator (Canary, A/B Testing and Blue/Green deployments)

Kubernetes deployment strategies explained

📈 The Rack Based A/B testing framework

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

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

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

A GitOps recipe for Progressive Delivery with Flux v2, Flagger and Istio

Proctor is a Java-based A/B testing framework developed by, and used heavily within, Indeed.

Feature Flag Management and A/B Testing platform

Simple declarative and universal A/B testing component for React.

Tweek - an open source feature manager

Open-source Python library for statistical analysis of randomised control trials (A/B tests)

React components for implementing UI experiments

A Python package for the statistical analysis of A/B tests

A simple, progressive, client/server AB testing library 📚

🐢 bayesAB: Fast Bayesian Methods for A/B Testing

A JavaScript port of Facebook's PlanOut Experimentation Framework