Luna Image Collections - Luna contains over 50,000 twentieth-century images, and over 25,000 twenty-first century images. Users can create image groups and presentations within Luna (CCS credentials required).
Artstor Public - The Artstor Public Collections (not to be confused with the Artstor subscription collection) are open access images and other media, made available by the holding institutions.
Art21 - Premiering a new season every two years, Art21 focuses exclusively on contemporary visual art and artists.
UbuWeb - This resource for avant-garde and hard-to-find material offers recordings of performances, video art, sound art, and visual, concrete, and sound poetry, as well as written work.
Franklin Furnace Moving Image Archives - From Pratt Institute, the Franklin Furnace Moving Image Archives provides access to audiovisual documentation of art events - including performance art - presented or supported by Franklin Furnace.