Zotero is a free tool for managing research sources from databases, library catalogues, videos, books, articles, audio, pdf documents, images, the web (anything you need to cite). Zotero allows you to document and keep track of the research you are doing, while integrating into tools such as Microsoft Word, Google Docs, etc. Zotero also facilitates sharing of sources through Zotero groups. Zotero also allows users to create bibliographies and works cited lists quick and easy, saving you time!
How to use Zotero by Mish Boutet provides a great introduction to Zotero.
