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 still free for personal use. You can purchase add-on services like Sync or Publish, get a commercial license for work, or support us with a Catalyst license.

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

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

An eclectic Obsidian user and seeker of knowledge, she wears many hats in her role as support staff.

Feb 20, 2025 · People in over 10,000 organizations use Obsidian for work. Starting today, the Obsidian Commercial license is optional. Anyone can use Obsidian for work, for free. If …

Feb 20, 2025 · Our new open source Obsidian plugin, Importer, makes it easy to convert your notes from Notion, Evernote, Google Keep, and other apps, to durable Markdown files that you …

All the data in Obsidian Bases is stored in your local Markdown files and their properties. The views are described by the Bases syntax, which can be saved as a .base file or embedded in …

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.

Open Obsidian the same way you would open any other app. You can optionally download the APK for Android from the [Download Obsidian](https://obsidian.md/download) page.