A preprint server for manuscripts and supplemental data in biology.
DataCite is an international organization that seeks to promote data access and reuse by making data sets "citable" and linking data to journal articles. This search tool allows researchers to search for data sets by author, keyword, and more.
This open-access repository for scientific and medical data allows searching of data sets and links data to original publications.
Figshare is a web service that makes data "citable, searchable, and shareable." Research data in a variety of formats is freely available through the figshare search tool and is protected under a Creative Commons copyright license.
A summary of data repositories supported by the NIH, with information about how to submit and access datasets from NIH-funded research.
Global registry of research data repositories, with a broad subject area including the humanities, sciences, medicine and technology.