(in alphabetical order)

Artsong & LMusic – PC (FREE)

By Artsong. Algorithmic Composition Software.
www.artsong.org

Karlheinz Essl Software – MAC/PC (FREE)

By Karlheinz Essl. Tools for composition, live performance and sound design. Based on concepts of realtime and algorithmic composition.
www.essl.at

Max/MSP/Jitter – MAC/PC

By Cycling 74. Visual programming language for music and multimedia.
cycling74.com

OpenMusic – MAC/Linux (FREE)

By IRCAM Music Representation research group. Visual programming language based on Lisp.
repmus.ircam.fr

Sibelius Compass – MAC/PC

By Avid. Lessons & composition projects for students.
www.sibelius.com

SuperCollider – MAC/PC/Linux (FREE)

James McCartney. Programming language for real time audio synthesis and algorithmic composition.
supercollider.github.io