Make A TestTone is a generator of sinusoidal audio test signals. It calculates flexible, highly accurate signals that are saved to either SoundDesigner II, AIFF, WAV or Ensoniq Paris sound files. In addition it drops markers in the sound files, indicating the exact frequency or amplitude at that spot.

ITunes Publisher, a cocoa app to export iTunes playlists.

Freeware developer

Official website of the Glitch VST plug-in.

LAoE software home page : LAoE means Layer-based Audio Editor, and it is a rich featured graphical audiosample-editor, based on multi-layers, floating-point samples, volume-masks, variable selection-intensity, and many plugins suitable to manipulate sound, such as filtering, retouching, resampling, graphical spectrogram editing by brushes and rectangles, sample-curve editing by freehand-pen and spline and other interpolation curves, effects like reverb, echo, compress, expand, pitch-shift, time-stretch, and much more...

Freeware plug-ins for Mac.

Third Monk Software a été fondé en 1996 pour développer des outils logiciels originaux pour audio, théâtre et applications musicales.

ProComposer is a (Java based) music software for musical design, composition and playback.Graphic editors for edition and improvisation.

Kenji Kojima's home page. Developper of XYZ MusicLab, an image-to-music software for Mac OS X

VST and VSTi for Windows