Comparison of free software for audio

This comparison of free software for audio lists notable free and open source software for use by sound engineers, audio producers, and those involved in sound recording and reproduction. Audio analysis Name Creator Linux? macOS? Unix? Windows? Note License Praat Paul Boersma and David Weenink of the University of Amsterdam Yes Yes Yes A program for the analysis of speech in phonetics. GPL-2.0-or-later Sonic Visualiser Centre for Digital Music at Queen Mary, University of London Yes Yes Yes GPL-2.0-or-later Partiels Pierre Guillot at IRCAM, Paris Yes Yes Yes A software suite for analysing and exploring the content and characteristics of sounds. GPL-3.0-or-later WaveSurfer Yes Yes Yes BSD-like Converters Name Creator Linux? macOS? Unix? Windows? Note License FFmpeg Fabrice Bellard Yes Yes Yes Yes Audio & video. LGPL-2.1-or-later, GPL-2.0-or-later fre:ac Robert Kausch Yes Yes Yes Yes Formerly BonkEnc. GPL-2.0-or-later Libav Libav team Yes Yes Yes Yes Audio & video. LGPL-2.1-or-later, GPL-2.0-or-later MPlayer Yes Yes Yes Yes Audio & video. GPL-2.0-or-later DJ software Name Creator Linux? macOS? Unix? Windows? Note License Mixxx Mixxx Development Team Yes Yes Yes Yes GPL-2.0-or-later X