Selecta is described as 'A fuzzy text selector for files and anything else you need to select written in Ruby. Use it from vim, from the command line, or anywhere you can run a shell command' and is an app. There are eight alternatives to Selecta for Mac, Linux, Windows, Vim and BSD. The best alternative is fzf, which is both free and Open Source. Other great apps like Selecta are fzy, hf, skim (fuzzy finder) and icepick.