| US | PubMed Central | [WP] | all NIH-funded articles must be freely available 12 months after publication |
| UK | BMJ | [WP] | open, except for articles published in the last 12 months (but recently announced that articles would be "freely available immediately on publication") |
| UK | BioMed Central (BMC) | [WP] | |
| Canada | Canadian Medical Association Journal (CMAJ) | [WP] | the first major publication to be completely open-access |
| US | Public Library of Science (PLoS) | [WP] | |
| US | DSpace at MIT | [WP] | posted online with no delay |