Youtube Video and Audio Downloader is an open-source project, downloading Youtube videos (using Firefox download manager) in all available formats (FLV, MP4, WebM, and 3GP) with video quality of your choice.
Airy is a YouTube video downloader, i.e. an application that allows you to save your favorite YouTube videos so you can watch them whenever you feel like - no matter whether you are connected to Internet or not and whether it is still available on the web site.
Free YouTube to MP3 Converter is one of the best tools to download mp3 from YouTube videos and playlists. It combines simplicity of usage as well as advanced downloading features which you can set as you like. It contains no spyware or adware.
Yourtube adds a fully integrated downloader to the YouTube app of your jailbroken iPhone or iPod Touch, so you can keep those great videos that you love to watch. Yourtube is available in Cydia (jailbroken devices only).
Coolmuster Video Downloader makes it a breeze to download web video from almost any video site on the web, including Viemo, Metacafe, etc. In a few clicks, you can download and enjoy online videos on your local disk anytime and anywhere as you like.
MacX YouTube Downloader is the best free online video downloader for Mac OS that can help you to free download music and videos from YouTube (VeVo), FaceBook, Dailymoton, Vimeo and other 300 online video sites with fast speed and original quality.