dnGREP is described as 'DnGrep allows you to search across files with easy-to-read results. Search through text files, Word documents, PDFs, and archives using text, regular expression, XPath, and phonetic queries. dnGrep includes search-and-replace, whole-file preview, right-click search in File' and is a File Search utility in the file management category. There are more than 50 alternatives to dnGREP for a variety of platforms, including Windows, Linux, Mac, BSD and Web-based apps. The best dnGREP alternative is DocFetcher, which is both free and Open Source. Other great apps like dnGREP are grepWin, Clapgrep, ripgrep and SearchMyFiles.