The Burning Man Project
Official site, with the essential survival guide, a guide for first-timers, message boards, information about volunteering, city ordinances, art installations, theme camps and villages, press kit, and ticket sales.
http://www.burningman.com/

BurningMan Is Dead
Rants against the management of Burning Man, an amusing collection of hate mail, and deconstruction of official propaganda.
http://cardhouse.com/drcliff/wreck/dead/bmisdead.htm

The Black Rock Rangers
Citizens of Black Rock City who volunteer their time to facilitate the safety and well-being of others. Reasons for being a ranger, how to apply, events calendar, survival guide, resources and community information.
http://www.rangers.org/

How to Get Laid at Burning Man
It's easy, just don't be a Yahoo. Archive only of editions from 2000 to 2003.
http://www.yahoopamphlet.com/

Burners Without Borders
Group that works to make changes beyond Black Rock City by doing volunteer work. Includes weblog of their 6-month Hurricane Katrina work, photographs, and information about volunteering or donating. An instrinsic part of the 2007 Green Man theme.
http://www.burnerswithoutborders.org/

CoolingMan
Works to offset greenhouse gas emissions from travel to Black Rock City and playa activities. Users can calculate emissions, then plant trees or donate to renewable energy projects.
http://www.coolingman.org/

The Burning Man Archive
Links to many relevant sites, listed by year, up to 2002.
http://www.zpub.com/burn/

Burnwiki
A wiki collecting information about all aspects of Burning Man including travel, supplies, personal care, alcohol, community, and life on the playa.
http://burnwiki.devildream.com

PlayaChicken.com
Archive of images from 1996 to 2006; the rubber chicken travelled the playa collecting stories and images from those she met.
http://www.peterman.net/burn/