STEIM – Amsterdam
Center for research & development of instruments & tools for performers in the electronic performance arts.
School for Improvised Music (SIM)– Brooklyn
Promotes the teaching and advancement of improvised and creative music.
Critical Studies in Improvisation
Peer reviewed, academic journal on music improvisation
International Society of Improvised Music (ISIM)
Promotes performance, education, and research in improvised music.
European Free Improvisation Pages
International Computer Music Association (ICMA)
Society for Electro-Acoustic Music in the United States (SEAMUS)
Organized Sound
International Journal of Music and Technology – published by Cambridge
Computer Music Journal
published by MIT
Cycling 74
Home of the MaxMSP programming environment
Processing
Home of the multimedia programming language