Open Access: OA Collections

Allows users to upload and share any file format to be previewed in the browser so that any research output, from posters and presentations to datasets and code

A curated resource that makes the data underlying scientific publications discoverable, freely reusable, and citable.

Data repository for researchers to deposit and share datasets, run by CERN.

Find, access, and re-use data for research - from over one hundred Australian research organizations, government agencies, and cultural institutions. Run by the Australian National Data Service (ANDS).

Data.gov is an open data repository managed and hosted by the U.S. General Services Administration, Technology Transformation Service. It is powered by two open source applications, CKAN and WordPress, and it is developed publicly on GitHub.

This link will take you to SUL journal locator with the term "Open Access" in the title. It does not include OA journals that do not have the term in the title.

Database of peer-reviewed, high quality journals.
Those with the DOAJ seal are more open and adher to best practices.