Obsidian is a proprietary closed-source note-taking app and text editor, that supports Markdown and LaTeX. It is the more popular equivalent to the open-source Logseq.

Obsidian

Native Application

100%
Initial release10 March 2020
Latest release1.8.10; 22 April 2025
Operating SystemLinux, macOS, Windows, iOS, Android
External links
Websiteobsidian.md
GitHub[1]
DocumentationObsidian Help
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Tip: This package is unfree, and will require extra steps to install. You can read more about allowing unfree software in the Nixpkgs Manual.

Installation

Obsidian can be installed from nixpkgs:

environment.systemPackages = with pkgs; [
  obsidian
];