The free and flexible app for your private thoughts.

Mar 23, 2026 · Obsidian is available on all major platforms. Download Obsidian for iOS, Android, macOS, Windows and Linux.

Obsidian is a proprietary personal knowledge base and note-taking application that operates on Markdown files. [3][4][5] The software is free for personal and commercial use; only the offered cloud …

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, 2026 · Community plugins list, theme list, and releases of Obsidian. - obsidianmd/obsidian-releases

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 …

Nov 18, 2025 · Obsidian allows me to save my article ideas, then return to that topic later when I’m ready to begin writing the article. Tags: In the purple hashtags at the top of the note, you’ll see the …

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, …

May 2, 2026 · obsidian, igneous rock occurring as a natural glass formed by the rapid cooling of viscous lava from volcanoes. Obsidian is extremely rich in silica (about 65 to 80 percent), is low in water, and …