Obsidian is a knowledge base application that treats your notes like a network of connected thoughts. Unlike cloud-based note apps, Obsidian stores everything locally on your device as plain text markdown files. This means you own your data completely and can access it even without the app. The software uses a graph view to show connections between your notes, making it popular with researchers, writers, and students. Obsidian works on Mac, Windows, Linux, iOS, and Android. The core application is free for both personal and commercial use, with optional paid services for syncing and publishing your notes as a website.
Key Features of Obsidian
Local Storage and Plain Text Files: Your notes are stored as markdown files on your computer. You can access them with any text editor, making your data completely portable and future-proof.
Bidirectional Linking: Create connections between notes using wiki-style links. The graph view shows these connections visually, helping you discover relationships between ideas and build a personal knowledge network.
Plugin System: Obsidian supports community plugins that extend functionality. Add features like calendar views, task management, dataview queries, and templating systems to customize your workflow.
Canvas Mode: Create visual boards where you can arrange notes, images, and PDFs. This feature helps with brainstorming, project planning, and organizing complex information spatially.
Vim Mode and Advanced Editing: Power users can enable vim keybindings for faster text editing. The editor supports multiple panes, tabs, and split views for working with several notes simultaneously.
End-to-End Encryption: Obsidian Sync uses end-to-end encryption for vault files and settings synchronized between your devices. Your data is encrypted before leaving your device, ensuring privacy and security for sensitive information.
User Experience
Obsidian has a learning curve compared to simpler note apps. The interface uses a sidebar system with folders on the left and connected notes on the right. New users might feel overwhelmed by the many features and settings available from the start. However, the core note-taking experience is straightforward once you grasp markdown basics. The app feels responsive and fast, even with thousands of notes in your vault. Customization options let you adjust themes, fonts, and interface layouts to match your preferences.
Pricing and Plans
At the time of writing this Obsidian review, the core application is free for both personal and commercial use with no limits on the number of notes you can create. Obsidian Sync costs $5 per month or $48 per year (when billed annually) and provides encrypted cloud syncing across devices. Obsidian Publish costs $10 per month or $96 per year (when billed annually) and lets you publish notes as a website. Organizations may optionally purchase a commercial license to support development, though it is not required for commercial use. Prices are subject to change, so check the official website for current pricing and any available sales.