Obsidian
Local-first knowledge base with backlinks you own
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About Obsidian
Obsidian is a knowledge management app that stores your notes as plain Markdown files on your device. Backlinks, graph view, and 1,000+ plugins let you build a second brain that you truly own forever.
Key features
- Local Markdown files — you own your data
- Backlinks and graph view for idea connections
- 1,000+ community-built plugins
- Canvas for spatial visual thinking
- Optional sync and publish add-ons