| bioRxiv |
Open
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bioRxiv (pronounced "bio-archive") is a free online archive and distribution service for unpublished preprints in the life sciences. |
| ChemRxiv |
Open
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ChemRxiv (pronounced 'chem-archive') is a free submission, distribution and archive service for unpublished preprints in chemistry and related areas. |
| MedRxiv |
Open
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medRxiv (pronounced "med-archive") is a free online archive and distribution server for complete but unpublished manuscripts (preprints) in the medical, clinical, and related health sciences. |
| Nature Precedings |
Closed to Submission Only
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Nature Precedings functioned as a permanent, citable archive for pre-publication research and preliminary findings. It was a place for researchers to share documents, including presentations, posters, white papers, technical papers, supplementary findings, and non-peer-reviewed manuscripts. |