Mendeley is a free reference management software that helps researchers and students organize their research papers and references. It allows users to create a personal library of documents, annotate PDFs, and generate citations in various styles. Mendeley also offers cloud storage, enabling access to documents from multiple devices. In addition to its organizational features, Mendeley includes a social networking component where users can connect with other researchers, share papers, and discover new research in their field. This collaborative aspect enhances the research experience by fostering communication and knowledge sharing among academics and professionals.