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GrowthBook - Open Source Feature Flagging and A/B Testing

Open Source Feature Flagging and A/B Testing

Build Status Release Join us on Slack

Get up and running in 1 minute with:

git clone https://github.com/growthbook/growthbook.git
cd growthbook
docker-compose up -d

Then visit http://localhost:3000

GrowthBook Screenshot

Our Philosophy

The top 1% of companies spend thousands of hours building their own feature flagging and A/B testing platforms in-house. The other 99% are left paying for expensive 3rd party SaaS tools or hacking together unmaintained open source libraries.

We want to give all companies the flexibility and power of a fully-featured in-house platform without needing to build it themselves.

Major Features

  • 🏁 Feature flags with advanced targeting, gradual rollouts, and experiments
  • 💻 SDKs for React, Javascript, PHP, Ruby, Python, Go, Android, iOS, and more!
  • 🆎 Powerful A/B test analysis with advanced statistics (CUPED, Sequential testing, Bayesian, SRM checks, and more)
  • ❄️ Use your existing data stack - BigQuery, Mixpanel, Redshift, Google Analytics, and more
  • ⬇️ Drill down into A/B test results by browser, country, or any other custom attribute
  • 🪐 Export reports as a Jupyter Notebook!
  • 📝 Document everything with screenshots and GitHub Flavored Markdown throughout
  • 🔔 Webhooks and a REST API for building integrations

Try GrowthBook

Managed Cloud Hosting

Create a free GrowthBook Cloud account to get started.

Open Source

The included docker-compose.yml file contains the GrowthBook App and a MongoDB instance (for storing cached experiment results and metadata):

git clone https://github.com/growthbook/growthbook.git
cd growthbook
docker-compose up -d

Then visit http://localhost:3000 to view the app.

Check out the full Self-Hosting Instructions for more details.

Documentation and Support

View the GrowthBook Docs for info on how to configure and use the platform.

Join our Slack community if you get stuck, want to chat, or are thinking of a new feature.

Or email us at [email protected] if Slack isn't your thing.

We're here to help - and to make GrowthBook even better!

Contributors

We ❤️ all contributions, big and small!

Read CONTRIBUTING.md for how to setup your local development environment.

If you want to, you can reach out via Slack or email and we'll set up a pair programming session to get you started.

License

GrowthBook is an Open Core product. The bulk of the code is under the permissive MIT license, and the packages/enterprise directory has its own separate commercial license.

View the LICENSE file in this repository for the full text and details.

GrowthBook Repository Stats

GrowthBook's Projects

.github icon .github

GrowthBook GitHub Organization Repository

ab-designer icon ab-designer

Helper script for an interactive visual AB test designer

coderefs-action icon coderefs-action

Composite action leveraging gb-find-code-refs to send code references to your GrowthBook instance.

devtools icon devtools

GrowthBook DevTools extension for Chrome

dom-mutator icon dom-mutator

Apply persistent DOM Mutations on top of HTML you don't control.

examples icon examples

Example implementations of the GrowthBook SDK's

growthbook icon growthbook

Open Source Feature Flagging and A/B Testing Platform

growthbook-js icon growthbook-js

Powerful A/B testing for JavaScript - both browser and NodeJS

growthbook-proxy icon growthbook-proxy

:zap: GrowthBook Proxy Server - Caching, Streaming, Security, and Scalability

growthbook-ruby icon growthbook-ruby

Ruby SDK for A/B testing with the GrowthBook experimentation platform

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