Zotero (pronounced "zoh-TAIR-oh") is a program that interacts with your web browser to manage and cite research. You can attach PDFs, notes and images to your citations, organize them into folders, and create bibliographies.
It was first designed for Firefox, but now works with Safari, Chrome, and Edge, and both a stand-alone desktop application and a web interface help you manage and save citations on any computer.
Jason Puckett's book, Zotero: a Guide for Librarians, Researchers, and Educators, provides a thorough understanding of how Zotero can be used in your research. His Zotero LibGuide gives a comprehensive view of the features of the software and how to use it in your library research. Some highlights include: