
Obsidian
The free and flexible app for your private thoughts and knowledge.
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About Obsidian
Key Features
- Local Markdown file storage for data ownership
- Bidirectional linking between notes
- Interactive graph view to visualize connections
- Infinite Canvas for brainstorming and diagramming
- Extensive plugin ecosystem and open API for customization
- End-to-end encrypted synchronization (paid add-on)
- Publish notes as an online knowledge base (paid add-on)
- Offline access to all notes
Pros
- Strong emphasis on user privacy and data ownership
- Highly customizable with a vast array of plugins and themes
- Uses open, future-proof file formats (Markdown)
- Powerful linking and graph features for knowledge discovery
- Active and supportive community for resources and help
- Free for personal use without feature limitations
Cons
- No native AI features for content generation or automated analysis
- Paid subscriptions required for core add-on services like Sync and Publish
- Steep learning curve for new users, especially for advanced customization
- Requires manual effort to build and maintain a knowledge base; not automated
- No built-in web clipper, relying on external tools or plugins
Pricing
Connect with Obsidian
Frequently Asked Questions
Obsidian is not required to be paid for commercial use, but organizations are encouraged to purchase a commercial license to support its independent development.
Obsidian offers full refunds within 7 days of purchase for Obsidian Sync and Publish. Catalyst licenses, Commercial licenses, and Obsidian Credit are non-refundable.
Obsidian stores notes locally on your device, ensuring privacy and offline access. If using Obsidian Sync, data is secured with AES-256 end-to-end encryption, and no telemetry data is collected.
Yes, students, faculty members, and nonprofit employees are eligible for a 40% discount on Obsidian Sync and Publish.
A Catalyst license grants early access to beta versions of Obsidian, special community badges, and directly supports the independent development of the application.





