Below you can find a list of Open Access harvesters and PrePrint servers that can help you locate free full-text content.
Kopernio is a browser plugin that finds the best available PDF of an academic article while you browse.
A multidisciplinary preprint platform that accepts articles from all fields of science and technology.
arXiv is a preprints server in the fields of mathematics, physics, astronomy, computer science, quantitative biology, statistics, and quantitative finance.
Open Access Publishing Platforms
PLOS was founded as a nonprofit Open Access publisher, innovator and advocacy organization with a mission to accelerate progress in science and medicine by leading a transformation in research communication.
A pioneer of open access publishing, BMC has an evolving portfolio of high quality peer-reviewed journals.
Gates Open Research is a platform for rapid author-led publication and open peer review of research.