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Get started with Diagramy: architecture as code, reviews, versioning, and governance.
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Diagramy treats software architecture as version-controlled code: you model systems, review changes, and enforce governance the same way engineering teams already ship software.
Guides
- Architecture workspace
Model systems across C4 levels in a collaborative canvas and text DSL.
- Architecture as code
Edit as text or on canvas — the model round-trips in both directions.
- Review workflow
Propose changes, assign reviewers, approve, and merge like a pull request.
- Versioning and history
Branches, semantic diff, compare, and restore across architecture history.
- Collaboration
Presence, comments, and discussion on a shared architecture model.
- Governance
Protected main, ownership rules, approvals, and audit history.
Plans and limits
Modelling is free forever for individuals and open source. Paid plans add version control depth, reviews, and governance. See pricing for the full comparison.