Bartleby

The preeminent internet publisher of literature, reference and verse providing students, researchers and the intellectually curious with unlimited access to books and information on the web, free of charge.

Directory of Open Access Journals

The aim of the DOAJ is to increase the visibility and ease of use of open access scientific and scholarly journals, thereby promoting their increased usage and impact. The DOAJ aims to be comprehensive and cover all open access scientific and scholarly journals that use a quality control system to guarantee the content. In short, the DOAJ aims to be the one-stop shop for users of open access journals.

Free Books 4 Doctor

FreeBooks4Doctors was created to promote the free availability of medical books on the Internet. Over the next years, many textbooks will be available online, free and in full-text. The unrestricted access to scientific knowledge will have a major impact on medical practice.

Google Scholars

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 web sites. Google Scholar helps you find relevant work across the world of scholarly research.

HighWire

HighWire Press is the largest archive of free full-text science on Earth! As of 3/25/15, we are assisting in the online publication of 2,434,604 free full-text articles and 7,659,003 total articles. There are 5 sites with free trial periods, and 82 completely free sites. 170 sites have free back issues, and 346 sites have pay per view!

Open Library

Open Library is an open project: the software is open, the data are open, the documentation is open, and we welcome your contribution. Whether you fix a typo, add a book, or write a widget--it's all welcome. Open Library is a project of the non-profit Internet Archive, and has been funded in part by a grant from the California State Library and the Kahle/Austin Foundation.

Project Gutenberg

Project Gutenberg offers over 46,000 free ebooks: choose among free epub books, free kindle books, download them or read them online. We carry high quality ebooks: All our ebooks were previously published by bona fide publishers. We digitized and diligently proofread them with the help of thousands of volunteers. No fee or registration is required
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