Indexing & Abstracting

Directory of Open Access Journals

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. All DOAJ services are free of charge including being indexed. All data is freely available.

Index Copernicus International

ICI World of Journals is a global database dedicated to scientific journals from around the world. The ICI World of Journals search engine responds to the scientific world’s need to gather information on scientific journals in one place. Due to the presented tools, it is possible to search for journals on the list of journals indexed in the ICI Journals Master List (ICV scoring).

Directory of Research Journals Indexing

The Directory of Research Journal Indexing (DRJI) is to increase the visibility and ease of use of open-access scientific and scholarly journals thereby promoting their increased usage and impact.


It is an extensive integrated ecosystem for researchers that offers multiple tools and platforms, each designed to address a specific need or issue that researchers face.

The Open Archives Initiative

The Open Archives Initiative develops and promotes interoperability standards that aim to facilitate the efficient dissemination of content. OAI has its roots in the open access and institutional repository movements

Scientific Indexing Services (SIS)

SIS offers academic database services to researchers. It's mainly: citation indexing, analysis, and maintaining citation databases covering thousands of academic journals, books, proceedings, and any approved documents SIS maintains academic database services to researchers, journal editors, and publishers. SIS focuses on citation indexing and analysis and maintains citation databases covering thousands of academic journals.


Cosmos provides Quantitative and Qualitative tools for ranking, evaluating, and categorizing Journals for academic evaluation and excellence. This Factor is used for evaluating the prestige of Journals. is a social networking platform for academics. Its mission is to provide a system for scientists to share their results, independently of the current journal system

Google Scholar

Google Scholar provides a simple way to broadly search for scholarly literature. From one place, you can search across many disciplines and sources: articles, theses, books, abstracts, and court opinions, from academic publishers, professional societies, online repositories, universities, and other websites.


Crossref makes research objects easy to find, cite, link, assess, and reuse. We're a not-for-profit membership organization that exists to make scholarly communications better.


Fatcat is a versioned, user-editable catalog of research publications including journal articles, conference proceedings, and datasets.

Cite Fcator

The CiteFactor server provides indexing of major international journals and proceedings. The author can get information about international journal impact factors, proceedings (research papers), and information on upcoming events.


The Sciencegate goal is to support all scientific and educational communities to facilitate achieving their goals through the best path. The ScienceGate team tries to make this possible by providing and developing several unique services gathered in a web platform.

Information Matrix for the Analysis of Journals

MIAR is an information matrix with data from more than 100 sources, corresponding to journal directories and international indexing and abstracting databases (citation, multidisciplinary or specialized databases), developed to provide useful information for identifying scientific journals and analyzing their diffusion.


ResearchGate is a professional network for scientists and researchers. We help researchers connect and make it easy for them to share and access scientific output, knowledge, and expertise.

Internet Archive

The Internet Archive, a 501(c) non-profit, is building a digital library of Internet sites and other cultural artifacts in digital form. Like a paper library, we provide free access to researchers, historians, scholars, people with print disabilities, and the general public.