The desktop app runs on Linux, Windows and macOS, with the same projects as the web version. Binaries are published on GitHub; the links below always point to the latest release.
AppImage: give it execute permission (chmod +x) and open it. The .deb is for Debian/Ubuntu.
If SmartScreen shows a warning: "More info" → "Run anyway" (unsigned binary for now).
First launch: right-click the app → "Open" (not yet notarized).