Crossref (DOI):
Crossref makes research objects easy to find, cite, link, assess, and reuse. It is a not-for-profit association of about 2,000 voting member publishers who represent 4,300 societies and publishers, including both commercial and not-for-profit organizations. In addition to assigning DOIs to scholarly content, Crossref provides additional services such as plagiarism screening and searching by funders.
Index Copernicus:
ICI World of Journals is a basic tool recommended for every scientific journal which enables to strengthen the process of its digitalization. ICI World of Journals is the third largest international database.
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. Currently it represents 15,743 journals of 124 countries on 80 different languages. It has an archive of 5,561,722 journals.
Ulrichsweb™:
Ulrichsweb™ is the authoritative source of bibliographic and publisher information on more than 300,000 periodicals of all types–academic and scholarly journals, Open Access publications, peer-reviewed titles, popular magazines, newspapers, newsletters, and more from around the world.
J-Gate:
J-Gate is an electronic gateway to global e-journal literature. Launched in 2001 by Informatics India Limited, J-Gate provides seamless access to millions of journal articles available online offered by 11,428 Publishers. It presently has a massive database of journal literature, indexed from 36,987 e-journals with links to full text at publisher sites.
DRJI:
DRJI provides ready access to education literature to support the use of educational research and information to improve practice in learning, teaching, educational decision-making, and research. Directory of Research Journals Indexing is a free online service that helps you to find web resources for your articles and research.
CiteFactor:
The CiteFactor server provides indexing of major international journals and proceedings. Author can get information about international journal impact factor, proceedings (research papers) and information on upcoming events.
ROAD:
The ISSN International Centre is pleased to introduce ROAD, the Directory of Open Access scholarly Resources. ROAD has been developed with the support of the Communication and Information Sector of UNESCO.
Advanced Science Index:
Advanced Science Index is an indexing service that indexes publishers of scientific materials. It is aiming at rapid evaluation and indexing of all local and international scholarly scientific journals. Advanced Sciences Index provides following services with Frequency of 12-indexing round per year.
Research Gate:
ResearchGate is a European commercial social networking site for scientists and researchers to share papers, ask and answer questions, and find collaborators.
Semantic Scholar:
Semantic Scholar uses groundbreaking AI and engineering to understand the semantics of scientific literature to help Scholars discover relevant research.
Scribd:
Scribd is an American e-book and audiobook subscription service that includes one million titles. Scribd hosts 60 million documents on its open publishing platform.
Google Scholar:
Google Scholar is a freely accessible web search engine that indexes the full text or metadata of scholarly literature across an array of publishing formats and disciplines.
WikiCFP:
WikiCFP is a semantic wiki for Calls For Papers in science and technology fields. There are about 50,000 CFPs on WikiCFP. Over 100,000 researchers use WikiCFP each month.
IP Indexing:
IP Indexing is an indexing portal for citation of database covering scientific and scholarly Journals from all over the world. It provides a platform for indexing the journals, which will patronage the journal to become an authoritative source of scientific information. This is a single platform for segregation the quality control open access journals, comprehensive information, easy to discover, citation, link, retrieve and reuse from all over the world.
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