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Design & ValidateToolProprietaryFreemium
Obsidian
A proprietary app with a free core, organizing local Markdown through backlinks, properties, canvases, graphs, and a large plugin ecosystem.
Visit official siteContent record updated Aug 1, 2026Official site reached automatically · Checked Aug 3, 2026
Why it’s here
Individuals and small teams can build portable GDDs, lore, and decision logs while controlling files through Git or chosen sync methods.
Best fit
Prototype systems, stories, and interactions, then validate them with real players.
knowledge-managementdocumentation
Before you commit
The app is not open source and official Sync and Publish are paid; community plugins run code and vary in quality, so govern conflicts, backups, and sensitive data.
