The free and flexible app for your private thoughts.

Download Obsidian 1.12.7 for Windows, macOS, Linux & Mobile Free Obsidian installer for every platform. Click your operating system below to start downloading from official Obsidian release servers.

Obsidian (/ əb.ˈsɪd.i.ən, ɒb. -/, əb-SID-ee-ən ob-) [5] is a naturally occurring volcanic glass formed when lava extruded from a volcano cools rapidly with minimal crystal growth. It is an igneous rock. [6] …

Mar 23, 2023 · Obsidian is a wonderful and potentially life-changing app. But it’s also a complicated app, and getting started with Obsidian notes can be a challenge. If you’re new to Obsidian and not sure …

Mar 23, 2026 · 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. For Windows, Linux, macOS, …

Apr 13, 2026 · What Is Obsidian? Obsidian is a free note-taking and knowledge management app available for Windows, macOS, Linux, Android, and iOS. At its core, it is a Markdown text editor. …

Obsidian.org is a platform for knowledge management and note-taking with powerful features like linking notes and creating knowledge graphs.

Nov 19, 2024 · Learn how to download Obsidian, install it on any major platform, and set up your first vault with the right foundations from day one.

Mar 23, 2026 · Obsidian is a note-taking and knowledge management app that lets you create markdown files in a local, folder-based system.

Nov 28, 2023 · Obsidian is an incredible writing and note-taking tool. Here’s why this cloud-less, offline app helps me stay organized and keep the ideas flowing.