Arxiv is an open access subject repository that covers over 1,944,402 scholarly articles in the fields of physics, mathematics, computer science, quantitative biology, quantitative finance, statistics, electrical engineering and systems science and economics. It consists of scientific papers in these fields which can be accessed online and can be downloaded in many file formats. Visit Arxiv today.

Bioline International is a not-for-profit digital platform for peer reviewed, open access bio science journals published in developing countries. It reduces the global knowledge divide by making bioscience information generated in these countries available to the international research community worldwide. The journals contain timely research on public health, international development, tropical medicine, food and nutritional security, and biodiversity. To access any Bioline document of your interest, click on the "code number" or "get this paper" (highlighted in orange) on the abstract page. To search all journals on the system, start at the list of journals on the homepage, enter your subject in the search box and a list of related articles and journals will appear. Bioline International provides a list of active journals in each country and shows the available issues of the journal thus saving time.

Biomed Central is a database that covers over 300 peer-reviewed journals sharing discoveries from research communities in science, technology, engineering, and medicine. It contains high-quality, peer-reviewed, open-access research within these fields. The journals within this database are arranged according to their specific subjects. All articles published in the journals are open access and freely available online, immediately upon publication and they can be downloaded. Visit Biomed Central today.

Booksc is an online infrastructure with e-books and scientific articles stored for free. It has over 8,000,000 e-books and articles. These are available for free download in any file format. Therefore, the literature is made accessible to everyone. Save your time by using different search options to access content. You can do a general search by typing either the author’s name, publisher, and ISBN or a full text search by typing a phrase and so on.

Bookzz is an Open Access book collection available online. It is an online ebook distribution platform that offers digital books in the form of PDFs and other file formats for free. Millions of books, novels and articles are available for free. Locating your preferred e-book is simple. Then look for the title of the E-book from the search box. It’ll bring you thousands of outcomes over your hunt. Click on your choice, download your e-book or browse online. Bookzz hosts a Massive collection of categories and subcategories of books of all genres, categories, and authors. From academic books to novels, from fiction to nonfiction, from literature classics to performing guides in different fields.

This is a global health care knowledge provider with a collection of more than 70 medical and allied science titles. Research in health as a profession is supported and provided in open access. The journal collection includes some of the most influential titles, most cited and widely read in the field of health sciences. Visit British Medical Journals (BMJ) today. This is a trusted source for health professionals since reliable information is provided. Get access to knowledge and tools for more informed decisions in clinical practice for better outcomes. BMJ saves time since articles are easily found, read and cited.

The Directory of Open Access Books is a searchable database of over 44,000 peer-reviewed scientific monographs that have been made accessible by academic publishers in open access.It provides access to scholarly, open access, and peer-reviewed books. With this database, you can find trusted open access, book publishers. All services are free of charge and all data is freely available. Visit Directory of Open Access Books (DOAB) today. Books are arranged according to subjects, publishers, and language. The database serves as an open infrastructure and aims at increasing the discoverability of open access books. The Directory of Open Access Books (DOAB) gives you access to read books and edited volumes by searching and browsing. This will help you to make the right choice and download content.

The Directory of Open Access Journals (DOAJ) is an independent database launched in 2003. It contains over 16, 500 peer-reviewed open access journals covering all areas of science, technology, medicine, social sciences, arts and humanities. Visit Directory of Open Access Books (DOAJ) and access free, full text, quality controlled scientific and scholarly journals. You can search for journals and articles since they are arranged according to subjects. Abstracts for journal articles are provided and therefore it saves time getting the right content. You can either read online or download the content.

Free Medical Journals provide free access to over 5088 medical Journals. The site was created basically to promote the availability of full-text medical journals over the internet for free. The journals are open access for the benefit of the entire scientific community. It contains scientific articles that are vital in improving medical care since they focus on topics that are of great importance to its readership. Visit Free Medical Journals today. Get access to high-quality articles published within the journals since they undergo peer review.

HighWire Press is an internet hosting service that produces online versions of peer-reviewed journals and other scholarly content. Resources include a vast database of full-text scholarly and high-impact materials. Over 2 million articles are made available for free. The publications hosted by highwire are arranged in alphabetical order. Visit access Highwire press today. The HighWire platform supports thousands of books, reference works, and supporting materials. It also delivers an intelligent digital platform for research and academic markets.

Information Management Resource Kit (IMARK) is an e-learning initiative destined to improve the information management capacities of development professionals. It allows learners to follow up on what they have learned and to share their experiences with others. It is being created as a series of modules on the internet, offered free of charge, which introduce the latest concepts, approaches and tools for information management. It consists of a suite of distance learning resources and tools for information management. Visit IMARK.

Internet Archive is a digital library which provides free access to collections of digitized materials including websites, software applications/games, music, movies/videos and millions of books. Like a physical library, the Internet Archive provides free access to these resources to researchers, historians, scholars and the general public. Visit Internet Archive.

MIT OpenCourseWare (OCW) is an initiative of the Massachusetts Institute of Technology. It publishes virtually all MIT course content from its undergraduate and graduate-level online, freely and openly available to anyone, anywhere. The digital collection is openly licensed and presented in an easily accessible format for free. Visit MIT OpenCourseWare. With the internet, you can find courses by topic, department, course number, and so on. Get access to audio/video courses, new courses, online textbooks, most visited courses, translated courses, and other additional resources. With these courses, educators can improve their curricula and make their schools more effective. The course materials can be downloaded for use offline.

Merlot (Multimedia Education Resource for Learning and Online Teaching) is an online repository and International Consortium of Institutions. It is a free and open online community of resources designed for faculty, staff, and students of higher education from around the world to share their online materials. The collection is peer-reviewed, organized, searchable and made available online and is meant for higher education. It contains thousands of discipline-specific learning materials, learning exercises, content builder webpages, associated comments and bookmark collections intended to enhance learning. Visit Merlot.

Open Educational Resources (OPR) are teaching, learning and research materials that reside in the public domain or have been released under an intellectual property license that permits their free use and repurposing by others. They include full courses, course materials, modules, textbooks, streaming videos, tests, software, and any tools, materials used to support access to knowledge. These resources are carefully described and fully indexed, thus you can find exactly what you want. With OER, educators have the ability to adapt instructional resources to the individual needs of their students. The resources are up-to-date and of a high-quality standard. Visit Open Educational Resources (OPR). You have options for searching, browsing, downloading, evaluating, sharing as well as re-posting work.

OpenDoer is an authoritative directory of academic open access repositories. It contains digital collections that preserve and provide access to the intellectual output of an institution. Repositories provide open access to academic outputs and resources. OpenDoar offers a trusted service since each repository record is carefully reviewed and processed. Visit OpenDoar. Repositories are a key facilitator for discovering pre-print research outputs. OpenDOAR is an authoritative directory of academic open access repositories. You can browse through the list of repositories using different search options for example according to the location (country) as well as searching for repositories’ content. The underlying database has been designed to include in-depth information on each repository that can be used for search, analysis, or underpinning services. It also provides a list of upgrades and additions. Find original research papers from different institutions regarding different subjects and fields.

Project Gutenberg is an online library of free e-books. These are new works, derived from existing printed works though they are not exact representations of their printed sources but rather transformed into modern digital formats to yield an enjoyable reading experience. It serves as a volunteer to digitize, archive and distribute literary works. It contains the world's great literature for your own enjoyment. The collection includes e-books on many topics with emphasis on literary works. Visit Project Gutenberg. Choose among free e publications and kindle ebooks, download them or read them online.

The Public Library of Science publishes open access journals across all areas of science and medicine. It empowers researchers to accelerate progress in science and medicine by leading a transformation in research communication. It publishes research from over 200 science disciplines. It contains over 17,821 articles in microbiology. The articles are peer-reviewed and immediately available without restrictions, promoting the widest readership and impact possible. Visit Public Library of Science.

Social Science Research Network (SSRN) disseminates social science research. It is a repository for preprints devoted to the rapid dissemination of scholarly research in the social sciences and humanities and beyond. The papers are downloadable as full-text documents in Adobe Acrobat PDF format since their access is open. The elibrary provides over 950,733 research papers in more than 60 disciplines. Visit Social Science Research Network (SSRN). To access the full content, create an account to share, download research in your field and interact with a number of scholars worldwide.

Springer Open is a database that has fully open access journals and books covering all areas of science. The content published is freely accessible online upon publication. The articles undergo peer-review thus ensuring the high quality and reliability of the work. The books and journals in Springer Open are made permanently available online. It contains wide coverage of e-Journals that investigate a wide range of science-based subjects including biomedicine and the life sciences, clinical medicine, physics, engineering, mathematics, computer sciences, human sciences, social sciences, and economics. This database gives you access to millions of scientific documents from journals, books, series, protocols, reference works, and proceedings. Visit Springer Open Journal.

Tufts OpenCourseWare is a web-based publication of educational material from a number of Tufts University courses with a strong representation of medicine, veterinary medicine, dentistry and nutrition courses. It provides open sharing of free, searchable, high quality course content to educators, students and self-learners throughout the global community. It provides open sharing of free, searchable course content to educators, students and self-learners throughout the world. Visit Tufts OpenCourseware.

WorldwideScience.org is a global science gateway that provides searching of national and international scientific databases and portals. It offers federated searching across over 100 scientific and technical databases from over 70 countries. These databases act as if they were a unified whole from a user's perspective. You can search millions of pages of science and technology information not typically accessible through popular search engines as long as you have internet access. It also provides real-time searching and translation of globally-dispersed multilingual literature. Visit WorldwideScience.Org.