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
Free Studio is a comprehensive multimedia suite that offers a wide range of tools for audio and video conversion, while WinFF is a lightweight, open-source video converter focused on simplicity and speed. Users who need extensive features may prefer Free Studio, whereas those seeking a straightforward, fast solution might opt for WinFF.