The Public Library of Science (PLoS) is a nonprofit open-access scientific publishing project aimed at creating a library of open access journals and other scientific literature under an open content license. As of January 2008 it publishes PLoS Neglected Tropical Diseases, PLoS Biology, PLoS Medicine, PLoS Computational Biology, PLoS Genetics and PLoS Pathogens. PLoS ONE was launched at the end of 2006.