BASE: Bielefeld Academic Search Engine
Multidisciplinary academic search engine run by Bielefeld University Library. It reaches selected sources ignored by commercial search engines.
CAIRN.INFO
The database offers the most comprehensive online collection of Francophone publications in the social sciences and humanities. The English-language version of the platform provides access to abstracts and selected articles from key journals in the collection, translated into English.
CEEOL
The CEEOL is the leading repository offering highly specialized and comprehensive collection of full text indexed documents in the fields of Humanities and Social Science publications from and about Central, Eastern and Southeastern Europe.
CORE
Aggregator of repositories and journals in open access. It enables text search, filtering the obtained results according to various criteria and recommends additional literature from the field of interest to the user.
DOAJ – Directory of Open Access Journals
DOAJ is a community-curated online directory that indexes and provides access to high quality, open access, peer-reviewed journals.
Google Books Search
A service similar to an internet search engine. Allows you to search for books whose content matches the entered terms.
Google Scholar
Free specialized internet search engine, taking into account various publications from many fields of knowledge.
Ingenta
Ingenta Connect offers one of the most comprehensive collections of academic and professional research articles online - some 5 million articles from 13,000 publications.
KVK - Karlsruhe Virtual Catalog
A multi-search engine of the Library of the University of Karlsruhe (Karlsruher Institut für Technologie), which allows you to search the catalogs of the world's leading libraries (especially German-language ones) and selected databases.
OAIster
A linked library finder that searches open access digital content. It currently covers over 30 million records from 1,500 member institutions (including academic repositories). Searches for digitized books, manuscripts, MA and PhD theses, statistical data, multimedia materials.
OpenAIRE
A European meta-repository that allows access to Open Access resources. The platform goes beyond the traditional aggregator of scientific publications. The project also aims to support scientists in placing research results in institutional or domain-specific repositories, building infrastructure for a network of repositories, researching scientific data management services together with communities of scientists from selected disciplines. The OpenAIRE infrastructure helps researchers and research project coordinators through guides, training, and personalized advice.
OpenDOAR
Directory of open repositories from around the world. It allows both to search for repositories and to search their resources according to several categories, e.g. field of knowledge, document type and language, geographic location. OpenDOAR provides open archive developers with support tools and the opportunity to share experiences.
Paperity
The first multi-domain aggregator of open access journals and scientific articles. It indexes a substantial and growing percentage of new gold articles and takes into account the publications of many leading scientific publishers.
Project Gutenberg
A multilingual collection of e-books that you can download and distribute free of charge for non-commercial purposes.
PublishersGlobal
PublishersGlobal offers an efficient information marketplace for the publishing industry. The attempt is level the field a little, reduce waste and help participants make make informed decisions.
Scientific Journal Finder
Elsevier® JournalFinder helps you find journals that could be best suited for publishing your scientific article. Please also consult the journal’s Aims and Scope for further guidance. Ultimately, the Editor will decide on how well your article matches the journal.
SciCentral
An award-winning collection of scientific news in the field of chemistry, physics, biological, medical, earth sciences, engineering and space sciences.
SSRN - Social Science Research Networks
An award-winning social science network and repository.
TechXtra
Free website initiated by Heriot Watt University. Searches databases and websites in the field of computer science, engineering and mathematics. It reaches those places on the web where Google and Google Scholar do not reach.
UNILEX
UNILEXis an “intelligent” database of international case law and bibliography on the UNIDROIT Principles of International Commercial Contracts and on the United Nations Convention on Contracts for the International Sale of Goods (CISG) – two of the most important international instruments for the regulation of international commercial transactions.
Wayback Machine
Internet Archive foundation service that allows you to reach a large part of archival versions of websites since 1996.
WorldCat
WorldCat is the world's largest network of library content and services. WorldCat libraries are dedicated to providing access to their resources on the Web, where most people start their search for information.