Winff is a frontend for FFMPEG that runs on Windows XP, Linux. It will convert most any video file that FFmpeg will convert. Developed by Matthew Weatherford and Ian Stoffberg
License: Open Source
Mobile Media Converter is known for its user-friendly interface and fast conversion speeds, making it ideal for casual users. In contrast, WinFF, being open-source and highly customizable, caters to more advanced users who need detailed encoding options and cross-platform support.