Obsidian
Private, local-first note-taking app with powerful linking and graph visualization
About Obsidian
Obsidian is a note-taking and knowledge management app that stores all your notes as plain Markdown files on your local device. It's built around bidirectional linking — connect notes together and visualize your knowledge as an interactive graph. With 1,000+ community plugins, you can customize it into a task manager, journal, writing tool, or research database. The core app is completely free for personal use. Paid add-ons (Sync and Publish) are optional and not required for the full experience.
Key Features
- ✓Local-first storage — your notes stay on your device as Markdown files
- ✓Bidirectional linking and graph visualization
- ✓1,000+ community plugins for endless customization
- ✓Canvas for visual note-taking and brainstorming
- ✓Split panes, search, and tag system
- ✓Works offline — no internet connection required
Use Cases
- •Building a personal knowledge base or second brain
- •Academic research and literature note-taking
- •Journaling and daily note tracking
- •Writing long-form content with interlinked references
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