MIX NYC

The New York Lesbian & Gay Experimental Film/Video Festival.
http://www.mixnyc.org

New York Film Festival: Views From The Avant Garde

Views from the Avant Garde is curated by Mark McElhatten and Gavin Smith. This yearly event is part of the New York Film Festival at the Film Society of Lincoln Center.
http://www.filmlinc.com/nyff/aboutavantgarde.htm

The Chicago Underground Film Festival

The festival for the defiantly independent filmmaker. CUFF presents films and videos that dissent radically in form, technique or content.
http://www.cuff.org/

New York Underground Film Festival

Presenting the best works from the outer reaches of independent cinema.
http://www.nyuff.com

MicroCineFest

Underground film festival in Baltimore, Maryland. Ambitious, low-budget, psychotronic/ substream, off-beat, creative, original, do-it-yourself, daring, underground films and videos from all over the world.
http://www.microcinefest.org/

The Images Festival of Independent Film & Video

Toronto's annual spring celebration of independent and experimental film and video, featuring ten days of screenings, installations, performances and symposia.
http://www.imagesfestival.com

Antimatter Festival of Underground Short Film and Video

An annual festival held at Open Space Arts Centre Victoria, BC, Canada. Also includes Foreign Matter -- showcasing works from around the globe.
http://www.antimatter.ws/

eKsperimEnto Seattle Filipino Film and Video Festival

site for eKsperim[E]nto, a film and video fest featuring experimental shorts by Filipinos, Asians and others.
http://www.geocities.com/eksperimento/

Free Form Film Festival

Traveling collection of film and video works.
http://www.freeformfilm.org

Portland Underground Film Festival

Featuring independent underground films and videos.
http://www.clintonsttheater.com/puff/

Courtisane

Annual festival for experimental and alternative short film, video and new media in Ghent - Belgium.
http://www.courtisane.be/