Open source Audio editors

Ardour

Ardour is a digital audio workstation. You can use it to record, edit and mix multi-track audio. (GPL)

Linux - FreeBSD - MAC OS X

Audacity

Audacity is free, open source software for recording and editing sounds. (GPL)

Linux - FreeBSD - Windows - MAC OS X

LMMS

LMMS aims to be a free alternative to popular programs like FruityLoops/FL Studio, Cubase and Logic allowing you to produce music with your computer. (GPL)

Linux

MusE

MusE is a MIDI/Audio sequencer with recording and editing capabilities written by Werner Schweer. MusE aims to be a complete multitrack virtual studio for Linux. (GPL)

Linux - FreeBSD

Qtractor

Qtractor is an Audio/MIDI multi-track sequencer application written in C++ around the Qt4 toolkit. (GPL)

Linux

Rosegarden

Rosegarden is a professional audio and MIDI sequencer, score editor, and general-purpose music composition and editing environment. (GPL)

Linux - FreeBSD

Traverso

Traverso is a complete solution from recording to CD Mastering. (GPL)

Linux - Windows - MAC OS X

WaveShop

WaveShop is a free, open-source audio editor for Windows XP/Vista/7/8. Waveshop's features include peak, RMS and spectral analysis, normalizing, fading, sample rate conversion, audio generation, and more, all with unlimited undo and comprehensive help. (GPL)

Windows

8 applications