How We Built It: $900K Open Source SaaS

Key Concepts

Open Source, SaaS, MRR (Monthly Recurring Revenue), Open Core Model, Self-Hosting, Community-Driven R&D, Feature Parity, Tech Stack, Building in Public, Hacktoberfest, Document Analytics, Data Rooms, Incumbents, Defensibility, Scalability, Security, Trust, AI IDE.

Papermark: From Tweet to $75K MRR

Origin and Idea Validation

Papermark's journey began with a tweet by Mark expressing his intention to build an open-source alternative to Docsend. The tweet garnered significant traction (40,000 views), indicating strong market interest. This validated the idea, leading to the development of an MVP over a weekend. The launch tweet of the MVP received 100,000 views, and customers soon emerged, willing to pay for the service.

What is Papermark?

Papermark is a document analytics and sharing platform, positioned as an open-source successor to Docsend and other data room providers. It allows users to transform documents into shareable links, protected with passwords and watermarks. The platform provides analytics, tracking user engagement with documents (e.g., time spent on each slide). Papermark targets a market where existing solutions are perceived as stagnant and focused on enterprise customers, creating a need for a new, open-source alternative.

Open Source Business Model

Definition of Open Source

Open source means the source code powering the project is publicly available for anyone to view, contribute to, and modify. The entire project history is also publicly accessible. Licenses provide protective mechanisms, and communities form around projects. Developers contribute to open source to showcase their work and advance their careers.

Papermark's Revenue Model

Papermark employs an open core model. The core software is open source and can be self-hosted for free. For users who prefer not to handle hosting and maintenance, Papermark offers a paid hosted version. Additionally, advanced features are available through an enterprise license, allowing users to run a self-hosted version with the full feature set.

Benefits of Building Open Source

• High Defensibility: The core product is given away for free, eliminating the incentive for competitors to build a similar paid product.
• Scalability: Zero barrier to entry attracts users who may contribute, use the project for small teams, or convert to the hosted version.
• Community-Driven R&D Velocity: The community actively monitors the project, contributes new features, and provides solutions to issues, accelerating development.
• Security and High Trust: The code can be audited by third parties, ensuring transparency and security, which is crucial for industries like banking.

Growth Strategies

• Building in Public: Sharing progress, even incomplete features, on platforms like Twitter and LinkedIn to build a community.
• Open Source Hackathons: Participating in events like Hacktoberfest to accelerate development and attract attention.
• Focus on Feature Parity: Rapidly developing features to match and surpass existing solutions, attracting users who switch due to faster innovation.

Key Metrics and Numbers

• Grew to $20,000 MRR in the first year and $75,000 MRR by the middle of the second year.
• Serving around 30,000 users and 1,000 customers.
• 60 contributors to the open-source project.
• 7,000 stars on the project repository.
• 800,000 views on shared documents, indicating active usage.

Tech Stack

• Built as two projects in Next.js: one for the website and marketing content, and one for the open-source application.
• Uses TypeScript for development.
• Cursor as an AI IDE.
• Hosted on GitHub.
• Papermark is hosted on Vercel.
• PlanetScale for the PostgreSQL database.
• Trigger for background tools.
• Resend for transactional emails.
• Stripe for payments.

Costs and Margins

• Freelancer and founder salaries account for approximately 80% of costs.
• Marketing and growth experiments represent around 15% of costs.
• Tools account for 5-6% of costs.

Advice for Building in Open Source

• Achieve Feature Parity: Reach at least feature parity with existing tools in the market.
• Out-Ship Incumbents: Be better than the current offerings and become the clear successor.
• Convert Excitement into Momentum: Turn the enthusiasm around open source into paying customers or active users.
• Jump In and Contribute: Actively participate in the open-source community, help others, and build on existing open-source projects.

Notable Quotes

• "I think off the bat being open source was the right bet for us." - Ule
• "You need to reach at least feature parody with the existing tools in the market and then you need to out ship them, right? You only you need to be better than the current offering in the market." - Mark

Technical Terms Explained

• Open Source: Software with publicly available source code that anyone can use, modify, and distribute.
• SaaS (Software as a Service): A software distribution model where applications are hosted by a vendor and made available to customers over the Internet.
• MRR (Monthly Recurring Revenue): A measure of predictable revenue generated each month.
• Open Core Model: A business model where the core software is open source, and additional features or services are offered under a commercial license.
• Self-Hosting: Hosting and managing software on one's own infrastructure rather than using a hosted service.
• Community-Driven R&D: Research and development efforts driven by the open-source community rather than solely by the company's employees.
• Feature Parity: Having the same set of features as a competing product.
• Tech Stack: The set of technologies used to build and run a software application.
• Building in Public: Sharing the development process and progress of a project openly with the public.
• Hacktoberfest: An annual open-source software contribution challenge held in October.
• AI IDE: An Integrated Development Environment enhanced with Artificial Intelligence features.

Logical Connections

The video connects the initial idea validation through social media to the development of a successful open-source business. It highlights the benefits of the open-source model in terms of defensibility, scalability, and community-driven development. The discussion on growth strategies links the open-source nature of the project to effective marketing and community engagement. The technical details of the tech stack and cost structure provide insights into the practical aspects of running an open-source business.

Conclusion

Papermark's success demonstrates the viability of building a profitable business on top of open-source software. By leveraging the open core model, building in public, and fostering a strong community, Mark and Julia have created a rapidly growing business that disrupts the document analytics and data room market. The key takeaways are the importance of validating ideas, embracing open source principles, and focusing on continuous innovation and community engagement.