Obsidian is a local-first knowledge base built on plain markdown files. Everything lives on your filesystem, no vendor lock-in. Bidirectional links, graph view, and a canvas for connecting ideas visually.
Hundreds of community plugins for everything from Kanban boards to Git sync. Works offline by default. Obsidian Publish turns vaults into hosted documentation sites. Pairs with Fumadocs for rendering vaults as React-based docs.
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