🦔 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 Flagging and A/B Testing Platform

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.

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

Feature Flag Management and A/B Testing platform

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 simple, progressive, client/server AB testing library 📚

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

🐢 bayesAB: Fast Bayesian Methods for A/B Testing

A JavaScript port of Facebook's PlanOut Experimentation Framework