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devtools

Growthbook: Optimize with Data

Get feature flags and analytics with Growthbook, a tool for startup founders, backed by 7.8k+ GitHub stars.
intermediateโฑ 30 minutes๐Ÿ’ต Free + open-source
8,061 stars806 forksTypeScriptUpdated 7/28/2026100% free ยท open source
What it is

Use Growthbook to set up and track feature flags and experiments for your product.

What you can make with it

Automations like: when a new feature is turned on, send a notification to your team in Slack and start a 30-day trial of Google Analytics to monitor its impact.

How it helps

Growthbook helps you optimize your product by providing a centralized place to manage feature flags and experimentation, making it easier to make data-driven decisions.

Real use case example

"A founder uses Growthbook to create an experiment: Step 1: Set up a new feature flag in Growthbook, Step 2: Use Growthbook's API to turn on the feature in 20% of their user base, Step 3: Track the results and decide to launch the feature company-wide when it shows a 10% increase in engagement."

If you're new

Beginners should pick this up when they need to launch a new feature and want to make sure it works well for their users.

If you're senior

Senior engineers and founders will reach for this when they want to optimize their product's performance using data-driven decision-making.

Common confusion cleared up

While Growthbook is an open-source tool, it's not a replacement for your product analytics, but rather a way to manage feature flags and experiments.

Best inside these AI tools
Claude DesktopClaude CodeGPT (ChatGPT)Gemini
Pairs with
Claude DesktopGPT (ChatGPT)GeminiStripe webhook
Why we list it on WorkflowStacks: Growthbook is here because it's a popular open-source choice for startup founders, and this marketplace supports open-source tools.
What it does

Growthbook is an open-source tool that helps you manage feature flags, run experiments, and analyze product metrics to inform data-driven decisions.

When to use it
  • โ€ขWhen you need to roll out new features to a subset of users for testing
  • โ€ขWhen you want to measure the impact of changes to your product on user behavior
  • โ€ขWhen you need to manage multiple versions of your product or features for A/B testing
Quick start
  1. 1Install Growthbook using npm or yarn by running the command `npm install @growthbook/growthbook` or `yarn add @growthbook/growthbook`
  2. 2Set up a new feature flag in your Growthbook dashboard or using the Growthbook API
  3. 3Integrate Growthbook with your application using the provided client-side libraries for JavaScript, TypeScript, or other supported languages
  4. 4Start tracking and analyzing user behavior and experiment results using Growthbook's analytics tools
Ready-to-paste prompt
npx @growthbook/growthbook init --db-uri mongodb://localhost:27017 --api-port 3000
Saves to your device

Topics

ab-testing
abtest
abtesting
analytics
bigquery
clickhouse
continuous-delivery
data-analysis
data-engineering
data-science
databricks
experimentation
feature-flagging
feature-flags
redshift
remote-config
snowflake
split-testing
statistics
warehouse-native
What's inside โ€” free to inspect
No purchase needed

Read the entire source before you build โ€” unlike paid marketplaces that hide it behind a buy button.

26
top-level files
15
folders
256.9M
repo size
Other
license
Key files
AGENTS.md
ecosystem.config.js
eslint.config.mjs
package.json
README.md
File tree
.agents/
.claude/
.cursor/
.github/
.husky/
.vscode/
bin/
charts/
config/
docs/
eslint-rules/
packages/
patches/
plop-templates/
preview/
.dockerignore
.git-blame-ignore-revs
.gitattributes
.gitignore
.npmrc
.prettierignore
AGENTS.md
CLAUDE.md
CODE_OF_CONDUCT.md
Quick Actions
Details
Creator
growthbook
Language
TypeScript
Category
devtools
Published
5/7/2021

Are you the creator of this tool? Claim your listing โ†’ and earn 85% of every sale.

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