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A private, flexible note-taking app — Markdown-based knowledge base with graph view, plugins, and local-first storage.

About Obsidian

Obsidian is a powerful note-taking and knowledge management app built on local Markdown files. Create notes, link them together, and visualize your knowledge graph. With over 1,000 community plugins, you can customize it into a task manager, writing tool, research hub, or personal wiki.

Your data stays on your device — no cloud lock-in. Free for personal use with paid Sync and Publish add-ons for cross-device sync and web publishing.

Pricing model: Freemium

Features

  • Markdown-based notes
  • Graph view for connections
  • 1000+ community plugins
  • Local-first, fully private

FAQs

Common questions about Obsidian

Is Obsidian free?
Yes, free for personal use. Paid add-ons for Sync ($4/mo) and Publish ($8/mo) are optional.
Where is my data stored?
Locally on your device as plain Markdown files. You own your data completely.