TubeTilla: Free YouTube Downloader and Converter
TubeTilla is a small, free application that lets you download your favourite videos from YouTube and save them on your PC for offline viewing.
Moreover, it can also convert the videos in a playable format like FLV (the default), MP4, MP3 and WMV. These downloaded videos after conversion can be played on devices like PSP, iPod, iPhone, Zune and Windows Media Player.
TubeTilal comes in two different versions, free and pro. The one reviewed here is of course the free one, but if you want more options like DivX, Xvid, AVI conversion then you can purchase that.
TubeTilla is completely safe to use, and contains no viruses or adware. It is compatible with Windows XP and Vista, and requires Microsoft .NET Framework 2.0 or higher.