What is Obsidian?

Obsidian is a flexible and private desktop application for note-taking and knowledge management. It functions as a second brain, helping you connect your thoughts by storing them in a local folder of plain text Markdown files, ensuring you own your data forever.

Main Features

- Local-first storage for fast, private, and offline access.

- Bidirectional linking to create a web of connected ideas.

- Interactive Graph View to visualize relationships between notes.

- Vast plugin ecosystem and themes for extensive customization.

- Canvas feature for infinite visual brainstorming and diagramming.

Use Cases

- Building a personal knowledge base or digital garden.

- Academic research and connecting complex ideas.

- Project management and task tracking with plugins.

- Journaling and organizing private thoughts.

- Publishing notes as a fast, optimized website.

Common Questions

- Is Obsidian free? - Yes, the core app is free for personal use.

- Where are my notes stored? - Locally on your device in a folder of Markdown files.

- Can I sync my notes across devices? - Yes, with the optional paid Sync service.

- Is my data secure? - Yes, notes are private and stored locally; Sync uses end-to-end encryption.

Pricing Plan

- Personal: Free for the core note-taking application.

- Catalyst: A one-time payment to support development, offering early access to builds.

- Sync: $8/month per user, providing secure, end-to-end encrypted note synchronization across devices with version history.

- Publish: $16/month per site, allowing you to instantly publish your notes as a fast, customizable, and mobile-friendly website or knowledge base.

- Commercial: Required for companies using Obsidian for work, starting at $50/user/year, which includes commercial licenses for Sync and Publish.