Software you buy, not rent.
Buy once on the Mac App Store: no subscription, no account, no in-app purchases. Runs on your Mac and works offline.
Local-first architecture diagrams as code: C4 and cloud diagrams in PlantUML, on your Mac.
Write PlantUML or drag elements in from the Element Library, edit on the diagram itself, and present from the app. C4, sequence, cloud and entity relationship diagrams, kept in plain files.
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