Obsidian

Knowledge base and note-taking app built on a local folder of plain-text Markdown files.

iOSApp Store (US)★ 4.5 · 2.7K ratingsfreemiumglobal

Obsidian is a note-taking and knowledge-base app built on a local folder of plain-text Markdown files, so notes stay in an open, durable format you control. Linked notes, graph view, community plugins, and themes support building a personal knowledge system, with mobile access via iCloud vaults. The core app is free; sync and publishing are optional paid services.

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