Viewshare.org is a free web application for generating and customizing unique, dynamic views through which users can experience cultural heritage digital collections. The intended users of Viewshare are individuals managing and creating access to digital collections of cultural heritage materials. Contact us at vog.c1513421496ol@ss1513421496eccap1513421496piidn1513421496 to request a free account. The site is administrated by the National Digital Information Infrastructure and Preservation Program at the Library of Congress.
Read here a blog post about Viewshare from Camille Salas, an intern with the Library of Congress.