YouTube Downloader is a free download tool to save YouTube Video on your computer. Unlike many other sites which offers YouTube video download as .swf / flash file, YouTube downloader saves downloaded video as .avi or .mpeg file. Therefore you don’t need additional flash video player to be installed on your computer. Just use the default windows media player and your video will play smoothly.
To use this tool, simply paste the URL of a video from YouTube and click Start. Soon after that the .avi or .mpeg video file will be downloaded into your harddisk. YouTube Downloader is a free Software and its clean from malicious ADWARE, SPYWARE, or other unwanted software.
Go and grab it from developer repository