Saves references to Zotero from Chrome and Opera
Zotero is a free, easy-to-use, open source tool to help you collect, organize, cite, and share your research sources.
Zotero is the only research tool that automatically senses content and saves it your personal library with a single click. Whether you're searching for a preprint on arXiv.org, a journal article from JSTOR, a news story from the New York Times, or a book from your university library catalog, Zotero has you covered with support for thousands of sites.
With Zotero Standalone, you can organize your references and insert citations automatically in Word and LibreOffice. You can download Zotero Standalone for free at http://www.zotero.org/.
For bug reports, questions, comments, or help, visit http://forums.zotero.org/.