Zotero - Reference manager
Zotero is an easy-to-use yet powerful research tool that helps you gather, organize, and analyze sources (citations, full texts, web pages, images, and other objects). An extension to the popular open-source web browser Firefox, Zotero includes the best parts of older reference manager software (like EndNote) — the ability to store author, title, and publication fields and to export that information as formatted references to Microsoft Word or OpenOffice. Zotero integrates tightly with online resources; it can sense when users are viewing a book, article, or other object on the web, and—on many major research and library sites—find and automatically save the full reference information for the item in the correct fields.