DeskPins is described as 'Can be used to make any application topmost, that is, to keep it above all other windows. Just grab a pin from the DeskPins icon in the system notification area (a.k.a. taskbar tray) and click on any window' and is an app in the file management category. There are more than 10 alternatives to DeskPins for Windows, PortableApps.com, File Explorer and Mac. The best DeskPins alternative is MenuTools, which is both free and Open Source. Other great apps like DeskPins are PowerToys - Always on Top, Always on Top, WindowTop and PinWin.