Desktop Curtain is described as 'simple tool to hide the clutter on your desktop, and help you focus on the task at hand. It's perfect for teachers, presenters, writers, developers, and anyone else that hates clutter and/or needs to take screenshots with clean background images'. There are five alternatives to Desktop Curtain for a variety of platforms, including Mac, Windows, Linux, Android and iPhone. The best alternative is Easy File Organizer, which is free. Other great apps like Desktop Curtain are Pliim (Free, Open Source), Cataleezr (Freemium), Camouflage (Paid) and HiddenMe (Free).