Ambient
Bands and Artists, Radio, Reviews, Disquiet Ambient/Electronica, Dub Beautiful Collective, Entropy Music, Epsilon, Feedback Monitor, InterneTV Music Videos: Ambient, KBTL.com, Pure-Impure, Sleepbot Constructs, The Ambient Music Mailing List Archives
Fractal Music
Fractal Music, Fractal Music Gallery, Fractal Music Lab, Research Projects of Damian Keller, The Music of José Oscar Marques, Unusual Music at Unusual Research
Futurism
Futurism: Manifestos and Other Resources, Italian Futurism, Luigi Russolo and The Art of Noise, Russolo and Futurism
Magazines and E-zines
Bagatellen, Brainwashed, Carola Magazine, Dusted Magazine, Erasing Clouds, ESTWeb, Fake Jazz, Halana Magazine, Paris Transatlantic, Perfect Sound Forever
Organizations
Calendar for New Music, Doubling Buzz Directory, Electronic Music Foundation, Experimental Sound Studio, Lampo, Mechanical Music Digest, SEAMUS On-Line, SoniCabal, SoundList, Vorgon Massive
Allsound
A Slashdot-styled news and discussion forum covering the gamut of experimental, fringe and avant-garde music and sound art. Updated daily.
European Free Improvisation
Large resource with profiles and links to articles and sites on non-idiomatic improvisational music, artists, and related independent labels.
Insine
A space where you can listen to and download music from new artists and labels in the experimetal/noise/electronica scene.
L'entrepot
A resource center for unconventional tunes, especially electronic, experimental, self-willed pop and rock, lo-fi, and post rock. Reviews, interviews and links.
Livingroom.org
Forum for experimental music, new artistic ideas, performance art, multimedia performance, live art, improvisation and avant garde creative endeavors.
Mother Tongue Projects
Group developing various sound and musical productions as well as new media events and live performances, striving to bring together tradition and research, classicism and eclectism.
Musings
A resource for non-standard music, such as free improvisation, out-there jazz, composition, and electro-acoustics. Reviews, MP3s, searchable archives and excellent connections to the rest of the world.
NoiseIndex
NYC industrial, experimental, and noise resource, with calendar, reviews, photos, artist profiles, and music clips. Also with information on DJ going by the same name, specializing in noise, industrial, experimental, power electronics, dark ambient music.
NoiseWeb
A site for dark, ambient and experimental noise and sounds, with event listings, articles and interviews, and links to related sites.
OddMusic.com
Focused on unusual, experimental and ethnic music, such as music created in unusual ways or with unusual instruments. With sound clips, pictures of instruments, and links to related sites.
The Deep Listening Catalog
The main site for Pauline Oliveros' Deep Listening Band and their record label, which includes such composers as Phil Niblock and Malcolm Goldstein. Experimental, avant-garde and minimalist music.
The History of Experimental Music in Northern Cali
An extensive archive of information about experimental music from the 50s through the present, including artists, composers, groups, labels and articles.
Zu Casa
A laboratory for online exhibition and performance of improvised and experimental music, artist film and video, and net art.