Spark ideas. From personal notes to journaling, knowledge bases, and project management, Obsidian gives you the tools to come up with ideas and organize them.

Obsidian is a proprietary personal knowledge base and note-taking application that operates on markdown files. [2][3][4] The software is free for personal and commercial use; only the offered …

Dec 2, 2025 · Organize your thoughts with Obsidian—a powerful, local-first note-taking app that helps you link ideas, build knowledge, and map out your thinking naturally.

Nov 25, 2025 · 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 …

Obsidian is a powerful knowledge base and note-taking app that works with local Markdown files. Known for its flexibility and user-friendly features, it's perfect for students, researchers, writers, …

Dec 7, 2025 · Obsidian is a highly adaptable and free note-taking app for power users who don't need collaboration features.

Obsidian is available for all major desktop and mobile platforms. These are all the supported ways to download and install Obsidian. Install Obsidian on Windows 1. Open your browser and go to …

Obsidian is available on all major platforms. Download Obsidian for iOS, Android, macOS, Windows and Linux.

Obsidian Help Welcome to the official Obsidian Help site, where you can find tips and guides on how to use Obsidian. For API documentation visit the Obsidian Developer Docs.

Instead of providing you with an opinionated and assembled product, [[Obsidian]] gives you a foundation and numerous functional building blocks to discover and build your own solution. …