By using RefWorks, you can store and manage your research and information that you collect from e-resources such as PudMed and/or ICHUSHI etc. This web service also allows you to share this information, disseminate your own views and create your own personal database online to make bibliographies automatically.
Mendeley is a free reference management software aiming for managing academic theses and sharing information online. You can use the Mendeley Desktop on Windows, Mac and Linux. Also Mendeley Web is accessible from anywhere. You can use both of these interchangeablly. Mendeley's PDF viewer can automatically extract bibliographic information from a PDF. You can also highlight and annotate PDFs by using this viewer. Mendeley also has a very useful PDF management function.
EmdNote is a free reference management software.