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
WinFF is a free, lightweight video converter suitable for users needing basic functionalities and format support, while Wondershare Video Converter Ultimate offers a more comprehensive, user-friendly experience with advanced editing and faster conversion speeds, ideal for more demanding users.