Opensidian
Open-source vault-compatible markdown notes for Linux
ProductivityFreeOpen source · verified#markdown#notes#linux
Listed by the ProductPerch team from Hacker News · not launched here yet
What is Opensidian?
Opensidian is an open-source markdown notes application built with Rust and Tauri v2. It runs without Electron and focuses on performance and low resource usage. The project is licensed under GPLv3 and operates as a non-profit initiative.
The app supports vault-compatible file structures used by other note-taking tools. It includes wikilinks, backlinks, and a graph view to map connections between notes. Users can install community themes and CSS snippets that reload live within the interface.
Installation packages are available for Linux systems, including AppImage, Flatpak, RPM, and DEB formats. The software requires WebKitGTK 4.1 and has been tested on recent versions of Fedora, Ubuntu, and Debian. Source code is hosted on GitHub for public review and contribution.
Opensidian features
- Vault-compatible markdown file structure
- Wikilinks, backlinks, and interactive graph view
- Live reloading for community themes and CSS snippets
- Built with Rust and Tauri v2 for low memory usage
- Preloaded themes including AnuPpuccin and Minimal
- Package support for AppImage, Flatpak, RPM, and DEB
Who uses Opensidian and for what
- Organizing personal knowledge bases with linked markdown files
- Tracking research notes using backlinks and visual graph navigation
- Customizing note appearance with third-party Obsidian community themes
- Running a lightweight note-taking workflow on Debian or Fedora systems
Opensidian FAQ
Is Opensidian free?
Yes, Opensidian is free to download and use. The project is licensed under GPLv3 and lists a price of zero USD.
Does Opensidian work on Mac or Windows?
The website states the app is designed for Linux and provides installation packages for Fedora, Ubuntu, and Debian. The website does not mention official support for macOS or Windows.
Is Opensidian open source?
Yes, the source code is publicly available on GitHub under the GPLv3 license. The project also provides build instructions for compiling the application from source.
What is Opensidian used for?
Opensidian is used for taking and organizing markdown notes. It supports vault-compatible storage, wikilinks, backlinks, and a graph view to visualize connections between documents.
Can I use Obsidian themes in Opensidian?
Yes, most Obsidian community themes work directly in Opensidian. Users can place theme folders and CSS snippets in their vault directory, and they will reload live in the settings menu.
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