Zotero is Firefox's open source software (plugin). This program allows you to collect data from sources, save PDFs, web pages, videos and other files, create links to interesting materials on the Internet, and create custom bibliographies.

In Zotero, you can create libraries, use tags, and create search results.

The program also has the following features:
1.MS Integration with Word and OpenOffice.org
2. Extensions
3. Localization of Russia and Ukraine
4.Server synchronization, transfer to another computer, saving library in portable environment
5. Generate reports from selected sources or groups
6. Creation of chronological resources
7. Save bibliographic data quickly from Google Scholar, Google Books, Amazon.com, ScienceDirect, Springerlink, and more.
8. Save resources (webpages, .pdf, video, sound, etc.)

Zotero is a free, easy-to-use tool that helps you collect, organize, offer and share your research.