Zotero is a desktop and/or network-based reference-management software for scholars. It has the ability to organize, collect, and format references and bibliographies for MS Word, LibreOffice, Google Docs, and other text-editing software. It also supports an enormous number of citation styles, and also provides a well designed document (web and PDF) collection and note-taking facility. Zotero is a social network that facilitates group collaboration, sharing, and publishing of reference lists. Originally developed in 2006 at George Mason U, Zotero is now a robust desktop tool as well as a full-featured web application, used by over 5 million scholars.