JAMin is the JACK Audio Connection Kit (JACK) Audio Mastering interface. JAMin is an open source application designed to perform professional audio mastering of stereo input streams. It uses LADSPA for digital signal processing (DSP). JAMin is licensed under the GPL.
This is a program for stretching audio. It is suitable only for extreme sound stretching of the audio (like 50x) and for applying special effects by “spectral smoothing” the sounds. It can transform any sound / music to a texture. The program is Open-Source and it’s released under the version 2 of the General Public License. You can download the source code for Linux or the Windows binaries.
NINJAM is open source (GPL) software to allow people to make real music together via the Internet. Every participant can hear every other participant. Each user can also tweak their personal mix to their liking. NINJAM is cross-platform, with clients available for Mac OS X, Linux and Windows. REAPER (our digital audio workstation software for Windows and OS X) also includes NINJAM support (ReaNINJAM plug-in).