Software

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

AMNS makes Nightingale, a professional music notation software for Macintosh

Digital Audio Software for Windows and Mac (DirectX, Pulsar/scope, RTAS plug-ins)

Makes virtual instruments including ManyStation, ManyGuitar, and ManyOne

Editor of MyMusic, this software lets you create your own music library. MyMusic is a powerful database program designed to help you maintain an inventory of your music collection. 

Sineshine is an audio laboratory completely dedicated to innovations in sound and music. They specialize in cutting-edge sound design as well as in writing tutorial books and developing innovative synthesis/processing algorithms. Their creations can also be found in flagship synthesizers from Roland Corporation. Among others, these include the worldwide-popular sound libraries like "Planet" and "V" series for Roland synthesizers, and Transformer - the innovative synthesis/processing plugin for Mac OS X.

Editor of several M.A.S Plug-ins, including Vintasion and Fattenizer.

Software developer for the business of Music: Music Production Deluxe, Production Label Pro 2.1, On The Road...

Gerzonic, home of ambisonic vst plugins

NOTION - Music composition and performance software with the most intuitive composition interface and most realistic playback

Official website of Live Styler, a real time arranger for windows

Manufacrurer of Virtual Composer, a MIDI editor working with Quicktime.

Sony Media Software is a leader in professional audio and video editing solution, producing software titles such as the industry-leading ACID, Sound Forge, Vegas 6.0, CD Architect, PSP Media Manager, Loops for ACID, and Noise Reduction.

Shareware developper (iTunes Catalog)

Spongefork is a small software company dedicated to creating innovative tools for music and media manipulation. After its release in 1999, their namesake application, Spongefork, quickly became a well known tool for creative sound processing and live improvisation. With the recent release of Spongefork 2, they're now back on track actively developing for Mac OS X. SF was founded by programmer/musician Ryan Francesconi.