arc42 is a free, open source toolkit that helps you design, document, and communicate software architecture in a clear, practical way.
Streamline your software architecture documentation
arc42 offers you a practical approach to designing, documenting, and sharing your software architecture. The toolkit is free and open source, making it accessible for teams and individuals who want to communicate complex systems effectively without the hassle.
With arc42, you get proven templates and guidance to structure your architecture documentation, so you can focus on clarity and collaboration. Whether you're an architect, developer, or team lead, you'll find examples, docs, and training resources to simplify the process and make your documentation more useful.
If you want to take the pain out of software architecture documentation, arc42 provides everything you need in one place. Explore real-world examples, download templates, and access helpful training—all designed to help you communicate your architecture with confidence.
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