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, OS X and Linux) and Mendeley for Android and iOS, with Mendeley Web, an online social network for researchers - wikipedia 
Mendeley requires the user to store all basic citation data on its servers—storing copies of documents is at the user's discretion. Upon registration, Mendeley provides the user with 2 GB of free web storage space, which is upgradeable at a cost.
Mendeley is available either as a premium payable version or a basic version that is free but requires registration.
- Mendeley Desktop - Automatic extraction of metadata from PDF papers. - Synchronization across multiple computers - Private online account. - PDF viewer with sticky notes, text highlighting. - Full-text search across papers. - Smart filtering, tagging - Automatic PDF file renaming - Bibliographies in Word, OpenOffice, and LibreOffice - Import of research papers from PubMed, Arxiv - Browser bookmarklet - BibTeX export/file sync - Private groups - Collaboratively tag and annotate research papers - Public groups to share reading lists - Social networking features - Usage-based readership statistics - iPhone, iPad and Android apps
# See also - Collaborative Bookmarking - Zotero - Mendeley - Mendeley Suggest