The fastest wayto documentyour architectureThe fastest way to document your architecture
Create architecture docs your team, stakeholders, and AI agents can actually use.
No credit card required
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So decisions move faster and everyone stays aligned.


Architectural diagrams are the bread and butter of software design and a foundational tool for communication and collaboration on software development.
At Spotify, we have an incredibly complex network of thousands of interlinked software systems owned by hundreds of teams, so having a simple way to visualize these connections is essential.
We need tools to look at our architecture at different abstraction levels in order to make good design decisions and evolve our software in a sustainable way.
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- Give every stakeholder the right level of detail.
- Navigate between levels instead of cramming everything into one diagram.
- Use a C4-friendly structure without heavyweight notation.

- Create components once and reuse them across views.
- Update in one place and keep related diagrams aligned.
- Search the model instead of hunting through old exports.

- Use keyboard shortcuts and built-in patterns to move faster.
- Start from examples instead of blank pages.
- Capture the important structure without extra ceremony.
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- Control who can access your docs.
- Share a live link or an always-updated embed.
- Keep reviewers in the loop without extra licensing cost.
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- Define components, relationships, and labels in plain YAML.
- Let AI draft and update diagrams in a structured format.
- Review changes in pull requests and regenerate them in CI/CD.
Use a shared model instead of scattered files and screenshots.
Capture architecture during design, not weeks later when context is gone.
Each diagram becomes part of reusable documentation your team can keep building on.

We used to leave documentation until the end of a project. Now we capture it during the design phase, before development starts.
It's surprisingly quick to do, so it's there when the team needs it.
Create architecture docs your team will trust
Replace scattered diagrams and stale screenshots with clear, living docs your team can keep current.
No credit card required