Mendeley is a desktop and web program for managing and sharing research papers, discovering research data and collaborating online. It combines Mendeley Desktop, a PDF and reference management application (available for Windows, Mac and Linux) with Mendeley Web, an online social network for researchers. Mendeley requires the user to store all data on its servers. Upon registration, Mendeley provides the user with 1000 MB of free space, which is upgradeable at a cost. Mendeley Desktop runs on Windows, Mac and Linux.

Automatic extraction of metadata from PDF papers.Back-up and synchronization across multiple computers and with a private online account.PDF viewer with sticky notes, text highlighting and full-screen reading.Full-text search across papers.Smart filtering, tagging and automatic PDF file renaming.

Citations and bibliographies in Microsoft Word and OpenOffice. Import of documents and research papers from external websites (e.g. PubMed, Google Scholar, Arxiv, etc.) via browser bookmarklet. BibTeX export/file sync.Private groups to collaboratively tag and annotate research papers.Public groups to share reading lists. Social networking features (newsfeeds, comments, profile pages, etc.). Usage-based readership statistics about papers, authors and publications. iPhone app. iPad ap.