Open Access

The OAPEN Library contains freely accessible academic books, mainly in the area of humanities and social sciences. OAPEN provides a quality controlled collection of open access books, and provides assistance in the areas of deposit, quality assurance, dissemination, and digital preservation.

SHERPA RoMEO lists publisher open access policies and provides summaries of self-archiving permissions and conditions of rights given to authors on a journal-by-journal basis.

PLOS is a nonprofit publisher, innovator and advocacy organization.

Indexes 90 million articles and deliver open-access full text versions over a free, fast, open API.

SPARC is a global coalition committed to making OPEN the default for research and education. SPARC advocates for the adoption of policies and practices that advance Open Access, Open Data, and Open Education.

At the Center for Open Science, we believe an open exchange of ideas accelerates scientific progress towards solving our most persistent problems. The challenges of disease, poverty, education, social justice, and the environment are too urgent to waste time on studies lacking rigor, outcomes that are never shared, and results that are not reproducible. Join us!

As a free and open source, OSF is a scholarly commons to connect the entire research cycle and makes the research workflow more efficient.

Impactstory is a nonprofit obsessed with making scholarly research more open, accessible, and reusable. We create and support free services including Unpaywall, oaDOI, Impactstory Profiles, and Depsy.