Anthrodendum.org is a great blog dedicated to sociocultural anthropology. 

Anthropology.net collects news, current events, and anthropological commentary. 

Sapiens.org is a digital magazine that brings together the various facets of Anthropology and treats a wide range of topics. 

Pascal and Francis Bibliographic Databases collect a great deal of different information in a variety of subjects. Using "Search by Classification" you can find a great collection of works dealing with Ethnography and other anthropological subjects that can then be searched using WorldCat, Google Scholar, and other services. 

Harris Jones Anthropology provides a list of links to free anthropology journals and resources that can be found online.

The Council for the Preservation of Anthropological Records provides guidance for anthropologists on how to best find and preserve ethnographic and anthropological notes and records.

Smithsonian Anthropology Subject Guide provides links to great resources held by the Smithsonian as well as available online.

California Academy of Sciences Anthropology Database provides images and descriptions of all of the 16,000+ objects in their collection.