most popular 100% open-source SaaS boilerplate on github

The most popular 100% open-source SaaS boilerplate on GitHub is the Open SaaS Story, which has gained significant popularity due to its comprehensive features and active community support. Here are the key highlights and reasons for its popularity:

1. **Comprehensive Features**: The Open SaaS Story offers a wide range of essential features out of the box, including authentication methods (email, Google, GitHub, etc.), payment integrations (Stripe or Lemon Squeezy), example apps with OpenAI API integration, AWS S3 file upload capabilities, and an admin dashboard. These features empower developers to build functional SaaS applications quickly.
2. **Powerful Framework**: The boilerplate is built on top of the Wasp full-stack React, Node.js, and Prisma framework, which provides a robust foundation for development. Wasp's central config file and compiler simplify the process of defining full-stack features, allowing developers to focus on application logic rather than boilerplate code.
3. **Community Support**: The Open SaaS Story has a dedicated community that contributes to its development and provides support to users. This community-driven approach ensures that issues are addressed promptly and that the boilerplate remains up-to-date with the latest trends and technologies.
4. **Starpower**: With over 10,000 stars on GitHub, the Open SaaS Story has gained significant recognition within the developer community, making it a go-to choice for building SaaS applications.

In conclusion, the Open SaaS Story's popularity stems from its comprehensive feature set, powerful framework, active community, and high star rating, which collectively make it a top choice for developers seeking a robust and open-source SaaS boilerplate on GitHub.