Open Source Feature Flagging and A/B Testing Platform

• UpdatedNov 6, 2025
• TypeScript

Achieving confident refactoring through experimentation with Python 2.7 & 3.3+

• UpdatedMay 10, 2023
• Python

FeatureHub - cloud native feature flags, A/B testing and remote configuration service. Real-time streaming feature updates. Provided with Java, JavaScript, React, Python, Go, .Net, Ruby, Android, Swift and Flutter SDKs.

• UpdatedSep 6, 2025
• Dart

Ambrosia is a Python library for A/B tests design, split and result measurement

• UpdatedOct 24, 2023
• Python

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

• UpdatedMar 7, 2024
• TypeScript

Simple A/B testing library for Clojure

• UpdatedMar 19, 2024
• Clojure

Split Testing for Vue.js

• UpdatedJan 6, 2023
• JavaScript

🧪 Source-controlled split testing stack for building, launching and analysing A/B tests.

• UpdatedSep 30, 2019

Main ABRouter product repository that contains docker-compose file and orchestrates the project containers.

• UpdatedMay 18, 2023
• PHP

Minimal A/B Testing Library in PHP

• UpdatedJul 26, 2020
• PHP

Terraform Split provider

• UpdatedSep 22, 2025
• Go

🧪 Source-controlled JS split testing framework for building and launching A/B tests.

• UpdatedJan 14, 2025
• JavaScript

Apache Spark based framework for analysis A/B experiments

• UpdatedNov 3, 2024
• Java

Easy split testing for Django.

• UpdatedAug 13, 2014
• Python

React helpers for A/B testing with Optimizely

• UpdatedMay 10, 2021
• JavaScript

A/B testing with Contao Open Source CMS

• UpdatedNov 19, 2020
• PHP

Chat prompt template evaluation and inference monitoring

• UpdatedSep 24, 2025
• Python

Static website for Mojito

• UpdatedApr 1, 2025
• JavaScript

👩‍🔬React components to assist with experiments, split-testing and analytics

• UpdatedSep 24, 2020
• JavaScript

Develop and run web experiments locally!

• UpdatedMar 20, 2025
• JavaScript