The free and flexible app for
your Personal thoughts.
Obsidian stores notes privately on your device, so you can access them quickly, even offline. No one else can read them, not even us.
With thousands of plugins and themes, you can shape Obsidian to fit your way of thinking.
Obsidian uses open file formats, so you're never locked in. You own your data for the long term.
Get help, ask questions, meet other Obsidian users, and learn about their setup.
Learn how to build your own Obsidian plugins and themes, using our open API and documentation.
Post feature requests, report bugs, and explore in-depth discussions about knowledge management.