FFmpeg is described as 'Cross-platform multimedia framework performing decoding, encoding, transcoding, muxing, demuxing, streaming, filtering, and playback for nearly all media formats' and is a leading Audio Converter in the audio & music category. There are more than 100 alternatives to FFmpeg for a variety of platforms, including Windows, Mac, Linux, Web-based and Android apps. The best FFmpeg alternative is HandBrake, which is both free and Open Source. Other great apps like FFmpeg are Avidemux, MKVToolnix, Video Compression and Shutter Encoder.