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GrowthBook - Open Source Feature Flagging and A/B Testing

Open Source Feature Flagging and A/B Testing

Build StatusReleaseJoin 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 hello@growthbook.io 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. There are several directories that are governed under a separate commercial license, the GrowthBook Enterprise License.

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

GrowthBook Repository Stats

About

Open Source Feature Flagging and A/B Testing Platform

Resources

Code of conduct

Contributing

Security policy

Stars

0 stars

Watchers

0 watching

Forks

Releases

Packages

Used by

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '
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GrowthBook - Open Source Feature Flagging and A/B Testing

Open Source Feature Flagging and A/B Testing

Build StatusReleaseJoin 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 hello@growthbook.io 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. There are several directories that are governed under a separate commercial license, the GrowthBook Enterprise License.

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

GrowthBook Repository Stats

About

Open Source Feature Flagging and A/B Testing Platform

Resources

Code of conduct

Contributing

Security policy

Stars

0 stars

Watchers

0 watching

Forks

Releases

Packages

Used by

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix"); } } catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
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GrowthBook - Open Source Feature Flagging and A/B Testing

Open Source Feature Flagging and A/B Testing

Build StatusReleaseJoin 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 hello@growthbook.io 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. There are several directories that are governed under a separate commercial license, the GrowthBook Enterprise License.

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

GrowthBook Repository Stats

About

Open Source Feature Flagging and A/B Testing Platform

Resources

Code of conduct

Contributing

Security policy

Stars

0 stars

Watchers

0 watching

Forks

Releases

Packages

Used by

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms"); } } catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
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GrowthBook - Open Source Feature Flagging and A/B Testing

Open Source Feature Flagging and A/B Testing

Build StatusReleaseJoin 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 hello@growthbook.io 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. There are several directories that are governed under a separate commercial license, the GrowthBook Enterprise License.

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

GrowthBook Repository Stats

About

Open Source Feature Flagging and A/B Testing Platform

Resources

Code of conduct

Contributing

Security policy

Stars

0 stars

Watchers

0 watching

Forks

Releases

Packages

Used by

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links"); } } catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); } })(); (function(){ try { var __m = "youtube.com"; var __re = new RegExp('^' + "youtube\\.com" + '
Skip to content

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GrowthBook - Open Source Feature Flagging and A/B Testing

Open Source Feature Flagging and A/B Testing

Build StatusReleaseJoin 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 hello@growthbook.io 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. There are several directories that are governed under a separate commercial license, the GrowthBook Enterprise License.

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

GrowthBook Repository Stats

About

Open Source Feature Flagging and A/B Testing Platform

Resources

Code of conduct

Contributing

Security policy

Stars

0 stars

Watchers

0 watching

Forks

Releases

Packages

Used by

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default"); } } catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
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GrowthBook - Open Source Feature Flagging and A/B Testing

Open Source Feature Flagging and A/B Testing

Build StatusReleaseJoin 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 hello@growthbook.io 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. There are several directories that are governed under a separate commercial license, the GrowthBook Enterprise License.

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

GrowthBook Repository Stats

About

Open Source Feature Flagging and A/B Testing Platform

Resources

Code of conduct

Contributing

Security policy

Stars

0 stars

Watchers

0 watching

Forks

Releases

Packages

Used by

Contributors

Languages

, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers"); } } catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
Skip to content

Latest commit

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3,191 Commits

Folders and files

NameName
Last commit message
Last commit date

Repository files navigation

GrowthBook - Open Source Feature Flagging and A/B Testing

Open Source Feature Flagging and A/B Testing

Build StatusReleaseJoin 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 hello@growthbook.io 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. There are several directories that are governed under a separate commercial license, the GrowthBook Enterprise License.

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

GrowthBook Repository Stats

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Open Source Feature Flagging and A/B Testing Platform

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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode"); } } catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); } })(); })();
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GrowthBook - Open Source Feature Flagging and A/B Testing

Open Source Feature Flagging and A/B Testing

Build StatusReleaseJoin 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 hello@growthbook.io 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. There are several directories that are governed under a separate commercial license, the GrowthBook Enterprise License.

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

GrowthBook Repository Stats

About

Open Source Feature Flagging and A/B Testing Platform

Resources

Code of conduct

Contributing

Security policy

Stars

0 stars

Watchers

0 watching

Forks

Releases

Packages

Used by

Contributors

Languages