AMP: Artists' Meeting Place and Resource Collective

American Composers Forum
http://www.composersforum.org
From their website, "The American Composers Forum is committed to supporting composers and developing new markets for their music. Through granting, commissioning, and performance programs, the Forum provides composers at all stages of their careers with valuable resources for professional and artistic development. By linking communities with composers and performers, the Forum fosters a demand for new music, enriches communities, and helps develop the next generation of composers, musicians, and music patrons." For a $55 annual membership, you get access to their more than 2 dozen programs linking composers, performers, and listeners. For many facets related to career development, the American Composers Forum has a tremendous amount to offer.

Women's Music Groups and Websites
http://www.wifp.org/DWM/Music.html
List of women's music groups and websites in the US, featuring festivals, alliances, institutes, and more. Part of the Directory of Women's Media, which is itself a part of the Women's Institute for Freedom of the Press in Washington, DC - http://www.wifp.org