freeware file and disk search engine. searches multiple text-based files an folders recursively. you can use as many search-phrases as you want within one search, also: filter using file extensions, file-date, file-size; search with wildcards, (reverse)-sort on file-date and -size. the program has an internal file viewer; you can also specify an external file viewer. the search-filter can import all file extensions from a folder (recursively).