DOAJ is a community-curated online directory that indexes and provides access to high quality, open access, peer-reviewed journals.
Research Funders' Open Access Policies - v2.sherpa
Access articles, reports and multimedia content in HEP
Open Access Library (www.oalib.com) is an academic search engine and publisher. You can download research papers for free and submit your paper to it. It is a shared academic database.
Welcome to the Registry of Open Access Repositories - Registry of Open Access Repositories
Maximizing the impact of research through openness. Because science works best when research is open.
Free, legal research articles delivered instantly or automatically requested from authors.
HKU Scholars Hub: Home
BMC, research in progress
Scientific Research Publishing is an academic publisher with more than 200 open access journal in the areas of science, technology and medicine. It also publishes academic books and conference proceedings.
Access full-text academic articles: J-STAGE is an online platform for Japanese academic journals.
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, jobs, video lectures, blogs and news.
臺灣學術機構典藏系統 (Taiwan Academic Institutional Repository, TAIR)
bioRxiv - the preprint server for biology, operated by Cold Spring Harbor Laboratory, a research and educational institution
Science.gov is a gateway to government science information provided by U.S. Government science agencies, including research and development results.
NASA Technical Reports Server (NTRS)
+Bioline International Official Site (site up-dated regularly)
U.S. Environmental Protection Agency | US EPA