ABC Chemistry
Directory of free full-text journals in chemistry.

BioMed Central (The Open Access Publisher)
The research articles in all journals published by BioMed Central are open access.

Chemistry Central
Chemistry Central publishes peer-reviewed open access research in chemistry from BioMed Central.

Directory of Open Access Journals (DOAJ) - Chemistry
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.

Gold Bulletin
The sole journal focused on the science, technology and industrial applications of gold.

HighWire Press (from Stanford University)
Free online full-text articles.

Hindawi Publishing Corporation
A commercial publisher of science, technology and medicine.

Journal @rchive
Journal @rchive is an archive site of J-STAGE operated by the Japan Science and Technology Agency (JST).

NIST Virtual Library
National Institute of Standards and Technology (from the United States).

PNAS
Proceedings of the National Academy of Sciences

PubMed Central
PubMed Central (PMC) is the U.S. National Institutes of Health (NIH) free digital archive of biomedical and life sciences journal literature.

Registry of Open Access Repositories (ROAR)
Promoting open access to the research literature pre- and post-peer-review through author self-archiving in institutional eprint archives.