PLoS is a nonprofit organization of scientists and physicians committed to making the world's scientific and medical literature a freely available public resource.
"Japan Science and Technology Information Aggregator, Electronic" (J-STAGE) is an electronic journal site operated by Japan Science and Technology Agency ("JST ") and it makes electronic journals issued by Japanese academic institutions and other contents available to the public via the Internet.
BENTHAM OPEN publish over 230 peer-reviewed open access journals. These free-to-view online journals cover all major disciplines of science, technology, medicine and social sciences.
Project Euclid's mission is to advance scholarly communication in the field of theoretical and applied mathematics and statistics. The complete holdings of open access publications are currently accessible to any Project Euclid user without a subscription or site license.