Since 2005
ScienceBiz.com offers links to websites related to biochemistry, reliability engineering, chemist, morality, medical physics, mechanical engineering, earth sciences, materials, astrophysics, nuclear, software, molecular and much more.
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http://ejde.math.swt.edu/
contains full text of all articles free of charge.
http://www.sociology.org/
http://etna.mcs.kent.edu/
Distributed self-organizing refereed electronic journals on selected topics in science and engineering. Current topics: complex systems, genetics, polymers and complex fluids.
http://www.interjournal.org/
digitizes and makes available by electronic subscription all journals of the Johns Hopkins University Press.
http://muse.jhu.edu/