Open Source Ecosystems

Website • Blog • Docs • API Reference

Polar: Open source Lemon Squeezy & Paddle alternative

Focus on building your passion, while we focus on the infrastructure to get you paid.

All-in-one funding & monetization platform for developers.
Sell access to GitHub repositories, Discord Support channels, File Downloads, License Keys & much more with Digital Products & Subscriptions.
Setup crowdfunding on your GitHub issues
We're the merchant of record handling the...
- ...boilerplate (billing, receipts, customer accounts etc)
- ...headaches (sales tax, VAT)

🎯 Upcoming milestones. Checkout what we're building towards

💬 Shape the future of Polar with us. Join our Discord

🐛 Found a bug? Submit it here

🔓 Found a security vulnerability? We greatly appreciate responsible and private disclosures. See Security

You can integrate Polar on your docs, sites or services using our Public API and Webhook API.

We also maintain SDK for the following languages:

Our DEVELOPMENT.md contains all youn need to know to configure your development environment.

[!TIP] Want to get started quickly? Use GitHub Codespaces.

server – Python / FastAPI / Arq / SQLAlchemy (PostgreSQL) / Redis
clients – Turborepo
- web (Dashboard) – NextJS (TypeScript)
- polarkit - Shared React components
- @polar-sh/astro - Polar Astro SDK
- astro-example - Astro Example app powered by @polar-sh/astro

♥️🙏 To our pyproject.toml friends: FastAPI, Pydantic, Arq, SQLAlchemy, Githubkit, sse-starlette, Uvicorn, httpx-oauth, jinja, blinker, pyjwt, Sentry + more ♥️🙏 To our package.json friends: Next.js, TanStack Query, tailwindcss, zustand, openapi-typescript-codegen, axios, radix-ui, cmdk, framer-motion + more ♥️🙏 To IPinfo that provides IP address data to help us geolocate customers during checkout.

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Extracted from project README