Zotero is a free citation manager that allows you to manage citations, webpages, images and full-text articles. Zotero is an extension to the browser FireFox and works by creating a toolbar in your browser. If you are using different computers, simply open a free Zotero account and save your sources into the account. See Zotero's Using Multiple Computers page for more information.
For more information on getting started with Zotero, see their Quick Start Guide.
Visit Zotero's FAQ page for a list of Frequently Asked Questions.
Zotero supports the following file formats:
For more information on importing reference into Zotero see Zotero's Getting Stuff Info Your Library page.