Free and open source, the user interface under LGPL-3.0 and the model under GPL-3.0. Installed per user on every platform, so no administrator rights are needed. No account, no cloud: the only request it makes of its own accord is asking GitHub whether a newer release exists.
Latest releaseWindows 10 or 11, 64-bit
Download for WindowsRun the setup program. It installs for the current user under your local application data, offers Desktop and Start Menu shortcuts and registers itself so it uninstalls the ordinary way.
Any flatpak desktop, 64-bit
Download for LinuxInstall with flatpak install --user plainsight.flatpak. It runs sandboxed. It is granted your home folder so it can read the documents you point it at, plus network access for the update check; nothing else.
macOS on Apple Silicon
Download for macOSOpen the disk image and drag PlainSight into Applications.
What is new in this release · All releases · Source on GitHub
The user interface is under LGPL-3.0. The model, along with the setup program and the build scripts, is under GPL-3.0. Both texts ship with the application and both are reachable from the buttons in its bottom tray.