OpenDOAR quality-assured, global Directory of Open Access Repositories
Scirus (an Elsevier product) provides access to scientists’ homepages, institutional repositories and pre-print serves in additional to journal articles.
in keeping with the spirit of "Open Access," here are two resources that will help you keep up-to-date on Insitutional Repositories
D-Lib Magazine a free publication with a focus on digital library research and development, including new technologies, applications, and contextual social and economic issues. D-Lib Magazine appeals to a broad technical and professional audience.
E-Prints in Library and Information Science E-E-LIS is the largest international document repository for full text scientific papers in Library and Information Science. E-LIS is organised, managed and maintained by an international team of librarians.