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 more user-friendly with a focus on batch processing and customizable settings, while Arista offers high-quality output and a broader range of audio and video formats. Both have their strengths, but WinFF is better suited for users looking for simplicity, whereas Arista caters to those needing advanced features.