The Repository Support Project of the UK organization JISC conducted a survey in 2010 comparing various hosting solutions.
Compared were:
See product comparison table for specifications.
See ROARMAP for an up-to-date listing of U.S. universities and institutions and details about their open access policies or mandates.
Read ACRL's College & Research Libraries News column on scholarly communication.
.. using GoldRush (access restricted)
SPARC promotional materials for librarians.
EPrints is used by some institutions to manage their online repositories.