Stillwell Audio focus on VST plugins that are easy to use, easy to get great results out of, and easy on your pocketbook.

Spectrum Ananyler, Satellite Tracking Software for Macintosh.

Developer of ExsManager OSX software for Logic and Exs24

Mac OS X Server, OpenStep, and NEXTSTEP software development.

Editor of many applications for Macintosh inluding Emu Music Player audio files reader using Quicktime.

Audio plug-in development by Manuel Schleis.

Makers of VocALign, the unique audio alignment tool

Sensomusic, electronic music site by Olivier Sens. Free softwares

Aria Maestosa is an open-source (GPL) midi tracker/editor. It lets you compose, edit and play midi files with a few clicks in a user-friendly interface offering keyboard, guitar, drum and controller views.

Software editor of many softwares, including Cabrio a free MP3 player.