1)   Flash Video Downloader YouTube 1.0.0.1
Easiest YouTube download manager! Browse YouTube using the built-in web browser, and click the download button when you want to save a video. It will instantly download the video as FLV file. You can also download multiple videos simultaneously.

 2)   All-In-One Video Converter 3.4.5
All-in-One Video Converter is the most comprehensive and stable DVD and video file converter program around. You can convert video files into the formats you need to compress for storage, create and burn DVD, watch on your portable devices and much more.

 3)   MCS YouTube Downloader 2.8.0.0
MCS YouTube Downloader allows you to download videos from YouTube. The program is easy to use. You can convert to many formats like: FLV, AVI DivX, Avi XviD, iPOD Video, iPOD Nano, iPod Mini, iPod Shuffle, iPhone Video, MPEG, WMV, RM, MOV, Sony PSP..