Kickin’ it old school, designer Theo Watson has created a free Mac app that plays typewriter sounds as you type. Called ‘Noisy Typer’, the app runs in the background and works with all applications (Word, email, Chrome)—playing sounds each time a letter key, spacebar, backspace, enter and arrow key is pressed. You can make your Mac sound like a typewriter by downloading Noisy Typer. Check out the video below to see how it works: