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https://github.com/posthog/posthog

🦔 PostHog provides open-source product analytics, session recording, feature flagging and A/B testing that you can self-host.
https://github.com/posthog/posthog

ab-testing analytics experiments feature-flags javascript python react session-replay typescript

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🦔 PostHog provides open-source product analytics, session recording, feature flagging and A/B testing that you can self-host.

Host: GitHub
URL: https://github.com/posthog/posthog
Owner: PostHog
License: other
Created: 2020-01-23T22:46:58.000Z (almost 5 years ago)
Default Branch: master
Last Pushed: 2024-10-29T09:49:37.000Z (3 months ago)
Last Synced: 2024-10-29T09:52:26.071Z (3 months ago)
Topics: ab-testing, analytics, experiments, feature-flags, javascript, python, react, session-replay, typescript
Language: Python
Homepage: https://posthog.com
Size: 1.15 GB
Stars: 21,656
Watchers: 106
Forks: 1,294
Open Issues: 1,568
Metadata Files:
- Readme: README.md
- Changelog: CHANGELOG.md
- Contributing: CONTRIBUTING.md
- License: LICENSE
- Code of conduct: CODE_OF_CONDUCT.md
- Codeowners: .github/CODEOWNERS
- Security: SECURITY.md

Awesome Lists containing this project

README

        


  





  



  

  

  

  





  Docs - Community - Roadmap - Changelog - Bug reports 





  

    

  



## PostHog is an all-in-one, open source platform for building better products

- Specify events manually, or use autocapture to get started quickly

- Analyze data with ready-made visualizations, or do it yourself with SQL

- Track website visitors separately with our GA4 alternative

- Only capture properties on the people you want to track, save money when you don't

- Gather insights by capturing session replays, console logs, and network monitoring

- Improve your product with Experiments that automatically analyze performance

- Safely roll out features to select users or cohorts with feature flags

- Send out fully customizable surveys to specific cohorts of users

- Connect to external services and manage data flows with PostHog CDP

PostHog is available with hosting in the EU or US and is SOC 2 Type 2 compliant. It's free to get started and comes with a generous monthly free tier.

We're constantly adding new features, and recently launched web analytics and a data warehouse!

## Table of Contents

- [Get started for free](#get-started-for-free)

- [Docs](#docs)

- [Contributing](#contributing)

- [Philosophy](#philosophy)

- [Open-source vs paid](#open-source-vs-paid)

## Get started for free

### PostHog Cloud (Recommended)

The fastest and most reliable way to get started with PostHog is signing up for free to [PostHog Cloud](https://us.posthog.com/signup) or [PostHog Cloud EU](https://eu.posthog.com/signup). Your first 1 million events (and 5k replays) are free every month, after which you pay based on usage.

### Open-source hobby deploy (Advanced)

You can deploy a hobby instance in one line on Linux with Docker (recommended 4GB memory):

 ```bash 

  /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/posthog/posthog/HEAD/bin/deploy-hobby)" 

 ``` 

Open source deployments should scale to approximately 100k events per month, after which we recommend migrating to a PostHog Cloud instance. See our [docs for more info and limitations](https://posthog.com/docs/self-host/open-source/deployment). Please note that we do not provide customer support for open source deployments. 

## Docs

![ui-demo](https://user-images.githubusercontent.com/85295485/144591577-fe97e4a5-5631-4a60-a684-45caf421507f.gif)

Want to find out more? Request a demo!

PostHog brings all the tools and data you need to build better products.

### Analytics and optimization tools

- **Event-based analytics:** Capture your product's usage [automatically](https://posthog.com/docs/libraries/js#autocapture), or [customize](https://posthog.com/docs/getting-started/install) it to your needs

- **User and group tracking:** Understand the [people](https://posthog.com/manual/persons) and [groups](https://posthog.com/manual/group-analytics) behind the events and track properties about them when needed

- **Data visualizations:** Create and share [graphs](https://posthog.com/docs/features/trends), [funnels](https://posthog.com/docs/features/funnels), [paths](https://posthog.com/docs/features/paths), [retention](https://posthog.com/docs/features/retention), and [dashboards](https://posthog.com/docs/features/dashboards)

- **SQL access:** Use [SQL](https://posthog.com/docs/product-analytics/sql) to get a deeper understanding of your users, breakdown information and create completely tailored visualizations

- **Session replays:** [Watch videos](https://posthog.com/docs/features/session-recording) of your users' behavior, with fine-grained filters and privacy controls, as well as network monitoring and captured console logs

- **Heatmaps:** See where users click and get a visual representation of their behaviour with the [PostHog Toolbar](https://posthog.com/docs/features/toolbar)

- **Feature flags:** Test and manage the rollout of [new features](https://posthog.com/docs/feature-flags/installation) to specific users and groups, or deploy flags as kill-switches

- **Experiments:** run simple or complex changes as [experiments](https://posthog.com/manual/experimentation) and get automatic significance calculations

- **Correlation analysis:** Discover what events and properties [correlate](https://posthog.com/manual/correlation) with success and failure

- **Surveys:** Collect qualitative feedback from your users using fully customizable [surveys](https://posthog.com/docs/surveys/installation)

### Data and infrastructure tools

- **Import and export your data:** Import from and export to the services that matter to you with [the PostHog CDP](https://posthog.com/docs/cdp)

- **Ready-made libraries:** We’ve built libraries for [JavaScript](https://posthog.com/docs/libraries/js), [Python](https://posthog.com/docs/libraries/python), [Ruby](https://posthog.com/docs/libraries/ruby), [Node](https://posthog.com/docs/libraries/node), [Go](https://posthog.com/docs/libraries/go), [Android](https://posthog.com/docs/libraries/android), [iOS](https://posthog.com/docs/libraries/ios), [PHP](https://posthog.com/docs/libraries/php), [Flutter](https://posthog.com/docs/libraries/flutter), [React Native](https://posthog.com/docs/libraries/react-native), [Elixir](https://posthog.com/docs/libraries/elixir), [Nim](https://github.com/Yardanico/posthog-nim), and an [API](https://posthog.com/docs/api) for anything else

- **Plays nicely with data warehouses:** import events or user data from your warehouse by writing a simple transformation plugin, and export data with pre-built apps - such as [BigQuery](https://posthog.com/apps/bigquery-export), [Redshift](https://posthog.com/apps/redshift-export), [Snowflake](https://posthog.com/apps/snowflake-export), and [S3](https://posthog.com/apps/s3-expo)

[Check out the full list of PostHog features.](https://posthog.com/product)

## Contributing

We <3 contributions big and small:

- Vote on features or get early access to beta functionality in our [roadmap](https://posthog.com/roadmap)

- Open a PR (see our instructions on [developing PostHog locally](https://posthog.com/handbook/engineering/developing-locally))

- Submit a [feature request](https://github.com/PostHog/posthog/issues/new?assignees=&labels=enhancement%2C+feature&template=feature_request.md) or [bug report](https://github.com/PostHog/posthog/issues/new?assignees=&labels=bug&template=bug_report.md)

## Open-source vs. paid

This repo is available under the [MIT expat license](https://github.com/PostHog/posthog/blob/master/LICENSE), except for the `ee` directory (which has its [license here](https://github.com/PostHog/posthog/blob/master/ee/LICENSE)) if applicable. 

Need *absolutely 💯% FOSS*? Check out our [posthog-foss](https://github.com/PostHog/posthog-foss) repository, which is purged of all proprietary code and features.

To learn more, [book a demo](https://posthog.com/talk-to-a-human) or see our [pricing page](https://posthog.com/pricing).

### We’re hiring!

Come help us make PostHog even better. We're growing fast [and would love for you to join us](https://posthog.com/careers).

## Contributors 🦸

[//]: contributor-faces