Audioalter
Audacity: Vrije audio-editor en recorder
Download Audacity for free. A free multi-track audio editor and recorder. Audacity is no longer at SourceForge. Audacity can be downloaded via AudacityTeam website instead: http://www.audacityteam.org/download/ Audacity is a free, easy-to-use, multi-track audio editor and recorder for Windows, Mac OS X, GNU/Linux and other operating systems.
Mixxx | Download
Download the most advanced FREE DJ software available, featuring iTunes integration, MIDI controller support, internet broadcasting, and integrated music library.
Macintosh Music Software: Computer Aided Composition (Shareware Music Machine)
A huge collection of Mac Computer Aided Composition software - freeware, shareware, and demos - that you can download for free.