Advice on Art  
A series of articles from Contemporary Artists' Services, a management consulting firm specializing in the career development of visual artists. Articles include information on professional practices, gallery relationships and other topics. Subscriptions to an online newsletter also available. 

Arts and Business Council, Greater Boston
A Chapter of Americans for the Arts. 

Artist Help Network
Resources on artist housing, legal matters, insurance and career help.  

Bronx Museum: Artist in the Marketplace
A 13-week seminar program offered annually in the fall and the spring to emerging artists in the greater New York metropolitan area. Classes meet at the museum and cover topics of practical concern to artists, such as curatorial practice, copyright law, exhibition and public art opportunities, gallery representation, grant writing, income taxes and marketing. 

CUE Art Foundation
Helps under-recognized artists throughout the U.S. with career development through exhibitions, residencies and other programs. 

The largest general photography community on the web, it is a site for serious photographers to connect with other photographers, explore photo galleries, discuss photography and share and critique photos. 

Dedicated to the creation, presentation, preservation and critique of emerging artistic practices that engage technology. 

Allows artists to show, promote and share their work worldwide.