A Python library for audio
Free all in one audio/video ffmpeg batch encoder
Free professional video converter Windows|Mac|Linux
A free multi-track audio editor and recorder
Kreogit Mu is a cross-platform music management app.
Extract audio tracks from video files and convert to various formats.
Free video editor to convert, cut, trim, stream select and encode
Application for resizing the duration of audio files
A simple but powerfull folder-based audio player
convert MP4 to MKV, convert AAC to AC3, convert DTS to AC3