zConvert is a closed-source freeware frontend for ffmpeg / libavcodec. It allows the user to convert between audio and video file formats.
Features
zConvert features a custom preset system so that regular options can be stored and quickly used again, as well as built in device support for iPod Video, iPhone and PlayStation 3.Video Help FFmpeg page
References
http://www.zuvium.com/convert/ http://www.videohelp.com/tools/ffmpeg