Findspot is described as 'helps you to find files and launch apps quickly. Just press a shortcut and input some keywords. Findspot will search through your Mac and find the best matches in no time' and is a File Search Utility in the File Management category. There are more than 10 alternatives to Findspot for a variety of platforms, including Mac, Windows, Linux, iPhone and iPad. The best alternative is Everything, which is free. Other great apps like Findspot are Keypirinha (Free), Alfred (Freemium), DocFetcher (Free, Open Source) and Quicksilver (Free, Open Source).
Alfred is a productivity application for macOS, which boosts your efficiency with hotkeys, keywords and text expansion. Search your Mac and the web, and control your Mac using custom actions with the Powerpack.
DocFetcher is a portable German/English open source desktop search application. It allows you search the contents of documents on your computer. - You can think of it as Google for your local document repository.
Quicksilver is a fast and free Mac OS X productivity application that gives you the power to control your Mac quickly and elegantly. Quicksilver learns your habits, making your everyday chores simple and efficient.