clipgrab:Download your favourite videos from youtube and vimeo

Want to download your fav videos from youtube or vimeo then this software is for you. Clipgrab3 is a open source software available for Windows,Linux,Mac os X. It can convert downloaded videos to various formats,extract mp3 from videos.Since this is a open source you can also download its code make necessary modifications and compile to make your own app.It supports conversion to these formats
MPEG4 (video)
WMV (Video) WMV (video)
 OGG Theora (video)
 MP3 (only audio)
 OGG Vorbis (Only Audio)
Let see how to tame this

Copy your favourite youtube video link eg:-http://www.youtube.com/watch?v=aeh2KILn7O4 Now paste in the area sorrunded by red rectangle.Select your video format and download quality like HD,High,Low.Finally click on Grab this link to download.
Downlaod this software from here Clipgrab.
Download its source code from here Source code for clipgrab.