Open-access (OA) literature is digital, online, free of charge, and free of most copyright and licensing restrictions.
What makes it possible is the internet and the consent of the author or copyright-holder.
From Peter Suber's Very brief introduction to Open Access.
Learn more : Open Access and Scholarly Publishing
Open Access articles presenting results of primary scientific research.
A new open access journal in the life sciences with a uniquely transparent peer-review process.
These databases allow you to search specifically for OA dissertations and theses:
The primary subject repository for physics is arXiv. Search for up to the minute research papers in the discipline.
Open Doar: search for repositories by discipline.
Browse lists of high-quality open access journals by subject.
Boston College is a member of HathiTrust, a repository of millions of full text books and other materials. Download them by authenticating with your BC username and password.
Search HathiTrust content by keyword:
Search these catalogs for open access books and other media:
Finding images licensed for re-use has become easier. Here are some sites to explore:
