YouTubeSnips is a free tool that lets you download HD videos off YouTube! You can also download the video in mobile 3GP format, MP4 format, and FLV format.
Format Factory is a multifunctional media converter.
Provides functions below:
All to MP4/3GP/MPG/AVI/WMV/FLV/SWF.
All to MP3/WMA/AMR/OGG/AAC/WAV.
All to JPG/BMP/PNG/TIF/ICO/GIF/TGA.
Rip DVD to video file , Rip Music CD to audio file.
MP4 files support iPod/iPhone/PSP/BlackBerry format.
Supports RMVB,Watermark, AV Mux.
Videora Converter is a free video converter that converts video files, YouTube videos, movies and DVD's so you can play them on your video playing device. The software can convert all types of video files (avi, divx, xvid, flv, x264, vob, mpeg, DVD's, YouTube, etc.) into the proper video formats that play on your video playing device. It is available for Windows and Mac.