DART-Europe

熊猫学术：熊猫学术致力于打破学术信息共享的壁垒，为国内外学者提供全面快捷的学术服务--让学术检索更高效

免费提供生物医学方面的论文搜寻以及摘要的数据库。PubMed® comprises more than 34 million citations for biomedical literature from MEDLINE, life science journals, and online books. Citations may include links to full text content from PubMed Central and publisher web sites.

专注计算机和信息科学领域的文献检索平台

开元知海·e读，检索全国高校图书馆的几百万种图书、几千万篇外文期刊

基于开源软件建设学术搜索引擎，近130万篇文献。More than 200 mio. scientfic documents from more than 8000 content providers. BASE is one of the world's most voluminous search engines for academic web resources.

对70多个国家的61个数据库及门户进行跨语言搜索。WorldWideScience.org is a global science gateway accelerating scientific discovery and progress through a multilateral partnership to enable federated searching of national and international scientific databases.