fzy is described as 'fast, simple fuzzy text selector for the terminal with an advanced scoring algorithm. fzy is faster and shows better results than other fuzzy finders' and is an app in the File Management category. There are more than 10 alternatives to fzy for Mac, Linux, Windows, BSD and Vim. The best alternative is Everything, which is free. Other great apps like fzy are DocFetcher (Free, Open Source), fzf (Free, Open Source), EasyFind (Free) and GoToFile (Freemium).
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.
fzf is a general-purpose command-line fuzzy finder. * No dependencies * Blazingly fast * The most comprehensive feature set * Flexible layout using tmux panes * Batteries included * Vim/Neovim plugin, key bindings and fuzzy auto-completion