CORE’s mission is to aggregate all open access research outputs from repositories and journals worldwide and make them available to the public. In this way CORE facilitates free unrestricted access to research for all.

Search the repositories of CHORUS, a collection of repositories for research that has been funded by the US Federal Agencies.

This resource searches repositories, and may be particularly good for content from European institutions.

If you are a postdoc, recent PhD graduate, or between academic jobs, the Free Access program from Elsevier may help you get temporary access to some content you need. To be eligible, you must complete a form verifying your credentials, be unemployed for less than 1 year or have a project ending within the next 6 months, and have received your PhD in the past 5 years.

If you are a journalist, you may qualify for Elsevier's program to provide free access to Science Direct for journalists.