Quetoo is in BETA. There are bugs, but it should work for you as long as your computer meets the system requirements. Download the appropriate snapshot for your operating system start fragging.
Quetoo for Windows requires Windows 8 or newer, and the Microsoft Visual Studio runtime.
Quetoo for Apple macOS requires macOS 10.15 (Catalina) or newer. This build is not yet tested on macOS 10.16 (Big Sur).
Quetoo for GNU / Linux requires Flatpak. Install Flatpak, and then install Quetoo via Flathub.