Y2mate is good cloud-based YouTube downloader that supports famous file formats like MP4, M4V, 3GP, WMV, FLV, MO, MP3, WEBM, etc. High speed downloads without registration. I Like the way it downloads the videos directly on the web browser by Inserting "pp" after the word "youtube" in the link to download videos and mp3 files.
4k Video Downloader - 4K Video Downloader is a software program that helps people download video files from sites such as Facebook, YouTube and Dailymotion.
Linux Show Player - Sound player designed for stage productions
Youtube Video and Audio Downloader - Download YouTube videos in all available formats and extract the original audio files.
QLab - QLab, Live show control for Mac OS X.
SaveFrom.net - Free Online service to Download YouTube videos at one click! The best YouTube Downloader supporting fast and easy vimeo, Facebook and Dailymotion video Download and much more!
Sound Byte - Sound Byte is a computerized cart rack machine for the Windows and Macintosh - play mp3, WAVE, AIFF, and other sound files at the click of a mouse