Mendeley is a free reference manager that can help you store, organize, annotate, share, and cite references and research data. Depending on your needs, you can choose to use the web version, the desktop application, or both.
A Mendeley Web account allows you to:
Download Mendeley Desktop if you need to:
Mendeley provides several guides to help you get started, including:
This brief video demonstrates some of the things you can do with Mendeley.