grep - grep is a command-line utility for searching plain-text data sets for lines matching a regular...

CONV. - Convert YouTube video to MP3, GIF or MP4

PowerGREP - Quickly search through large numbers of files on your PC or network using powerful text patterns to find exactly the information you want. Search and replace with plain text or regular expressions to maintain web sites, source code, reports, ...

Softorino YouTube Converter - Download YouTube video & audio. Watch and listen offline

dnGREP - dnGrep allows you to search across files with easy-to-read results.

You-Get - Command-line utility to download media contents from the web