Native American Sites
contains an index of Native sites, media, powwows, Native enterprises, etc.
http://info.pitt.edu/~lmitten/indians.html

Native Web
contains links dealing with Native news, events, enterprises etc.
http://www.nativeweb.org

The Index of Native American Resources on the Internet has an immense number of links to Native resources on culture, history, education, language, health, indigenous knowledge, government programs, art and much more
http://www.hanksville.org/NAresources/

Native American Tribes: Information Virtually Everywhere has links to tribal information, media, Native studies etc.
http://www.afn.org/~native/

The National Indian Policy Center
has links to maps, native events, grant sources, museums etc.
http://gwis.circ.gwu.edu/~nipc/