CBOLís mission is to promote the exploration and development of DNA barcoding as a global standard for species identification.
bioRxiv (pronounced "bio-archive") is a free online archive and distribution service for unpublished preprints in the life sciences. bioRxiv accepts preprints of articles covering all aspects of research in the life sciences.
The main purpose of BioStor is to find articles in the Biodiversity Heritage Library. BioStor provides tools for extracting, annotating, and visualising literature from the Biodiversity Heritage Library (and other sources).