Sound Quest offers Hardware Virtualization and editor/librarian software for Mac OS 9 and OS X and includes support for over 600 instruments from over 60 different manufacturers

Ample Sound (Beijing Ample Sound Technology Co. Ltd), founded by Kane Kang, Shaoduo Xie and Jie Chen in 2011, is devoted to music technology products development.

IOS Developer, maker of Arctic Keys and other musical instruments and synthesizers

Editing Keyboard Stickers for Adobe Premiere, Digidesign Pro Tools, Adobe Photoshop, Final Cut, Avid and many more

Develops pro audio software for live sound and theatre.

Audio Plug-ins by Shane McFee

Anvil Studio is a free Windows program for multi-track recording, composing, and editing of audio and MIDI music files. Anvil Studio is a Trademark of Willow Software.

SquaredHeads Music Software S.L is a music software development company founded in October, 2012 in San Sebastian, Spain by two engineers named Oscar Zárate and Juan Juez-Sarmiento. Our love, knowledge and many years inside the world of music tempted us to research new technologies in order to bring new experiences to software users. We were inspired by many well-known and notorious DAWs and plug-ins. We then attempted to go one step beyond in aspects such as edition, workflow and real-time.

Maker of eyoControl for iPad, MIDI controllers for the iPad.

ElliottGarage software team produces iApp for iPhone and iPad Apple. TR-808 Drum machines emulation.