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为生物学家专有的预印本文献库 bioRxiv - the preprint server for biology, operated by Cold Spring Harbor Laboratory, a research and educational institution

美国环境保护署提供出版物搜索、预览和下载等服务 Website of the U.S. Environmental Protection Agency (EPA). EPA's mission is to protect human health and the environment.

发展中国家的多种开放存取期刊全文 +Bioline International Official Site (site up-dated regularly)

为组织和个人作者提供出版服务和解决方案，目前出版大约和其他机构拥有的约600种期刊 Publish, distribute and make your research globally recognized. Discover our services for scholarly journals, books and conference proceedings.

FrontiersMediaSA是同行评审的开放获取科学期刊的学术出版商，目前活跃于科学，技术和医学领域。它由一群神经科学家于2007年创立，后来扩展到其他学术领域。Frontiers总部位于瑞士洛桑 Open access publisher of peer-reviewed scientific articles across the entire spectrum of academia. Research network for academics to stay up-to-date with the latest scientific publications, events, blogs and news.

每年发表2万多篇论文，世界上最大的同行评审，完全开放存取期刊出版商之一 Just a moment...

创立于1999年，生物医学领域的、世界上最大的OpenAccess出版商，出版近300种期刊 BMC, research in progress

超过65万篇物理学及相关学科的论文、预印本等全文 Access articles, reports and multimedia content in HEP

PLOS出版8种生命科学与医学领域的开放存取期刊 Home - PLOS

NASA Technical Reports Server (NTRS) NASA Technical Reports Server (NTRS)

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开放存取期刊的索引平台，提供高质量、同行评议期刊 DOAJ is a unique and extensive index of diverse open access journals from around the world, driven by a growing community, committed to ensuring quality content is freely available online for everyone.