UniversalCodeGrep is described as '(ucg) is an extremely fast grep-like tool specialized for searching large bodies of source code. It is intended to be largely command-line compatible with Ack, to some extent with ag, and where appropriate with grep' and is a File Search utility in the file management category. There are more than 10 alternatives to UniversalCodeGrep for a variety of platforms, including Linux, Windows, Mac, BSD and Self-Hosted apps. The best UniversalCodeGrep alternative is dnGREP, which is both free and Open Source. Other great apps like UniversalCodeGrep are ripgrep, grep, ugrep and The Silver Searcher.