Spotlight is described as 'The system-wide desktop search feature built into Apple's OS X operating system since version 10.4 (Tiger). Backed by an index of all items and files on the system, it's designed to allow the user to quickly locate a wide variety of items on the computer' and is a application launcher in the file management category. There are more than 50 alternatives to Spotlight for a variety of platforms, including Mac, Windows, Linux, iPhone and iPad apps. The best Spotlight alternative is Everything, which is free. Other great apps like Spotlight are Flow Launcher, Vicinae, Alfred and Raycast.
saves your recent/commonly used apps for quicker searches