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Developer(s) Center for History and New Media (CHNM) at
George Mason University (GMU)
Initial release October 5, 2006 (2006-10-05)[1]
Stable release 4.0.28, for Firefox only [2] (September 25, 2015 (2015-09-25))
Written in JavaScript with SQLite backend
Operating system Windows, Mac OS X, Linux[3]
Type Reference management
License AGPL[4]
Website .org.zoterowww

Zotero is George Mason University (GMU).


  • Etymology 1
  • Features 2
    • Citation formatting 2.1
    • Annotation and mobile devices 2.2
    • Language support 2.3
    • Product support 2.4
  • Financial support and awards 3
  • History 4
    • Zotero 1.0 4.1
    • EndNote lawsuit 4.2
    • Zotero 2.0 4.3
    • Zotero 2.1 4.4
    • Zotero Standalone 4.5
    • Zotero 3.0 4.6
    • Zotero 4.0 4.7
  • See also 5
  • References 6
  • Further reading 7
  • External links 8


The name 'Zotero' is loosely derived from an Albanian verb meaning "to master".[5]


Zotero shows an icon when a resource (book, article, thesis) is being viewed on many websites (such as library catalogs, PubMed, Google Scholar, Google Books,, WorldHeritage, and publisher's websites). Clicking this icon saves the full reference information to the Zotero library. Zotero can also save a copy of the webpage, or, in the case of academic articles, a copy of the full text PDF. Users can then add notes, tags, attachments, and their own metadata.

Items are organized through a drag-and-drop iTunes-like interface, and can be searched.

Selections of the local reference library data can later be exported as formatted bibliographies. Furthermore, all entries including bibliographic information and user-created rich-text memos of the selected articles can be summarized into an HTML report.[6]

Citation formatting

Zotero users can generate citations and bibliographies through word processor plugins, or directly in Zotero, using Citation Style Language styles. The house styles of most academic journals are available in Zotero, and the bibliography can be reformatted with a few clicks. Zotero also allows users to create their own customized citation styles.

Zotero can import and export citations from/to many formats, including s, BibTeX, BibLateX, RefWorks, MODS, COinS, Citation Style Language/JSON, refer/BibIX, RIS, TEI, several flavours of RDF, Evernote, EndNote.

Annotation and mobile devices

Zotero can associate notes with bibliographic items. It can annotate PDFs and sync them with a mobile PDF reader through the Zotfile plugin.[7]

Language support

Zotero supports more than thirty languages as of 2014.

Product support

Zotero has no dedicated customer support service, but the Zotero website provides extensive information, including instructional screencasts, troubleshooting tips, a list of known issues, and user forums. Questions and issues raised in the forums are answered quickly, with users and developers suggesting solutions.[8]

Many academic institutions provide Zotero tutorials to their members.

Financial support and awards

Development of Zotero has been funded by the Andrew W. Mellon Foundation, the Alfred P. Sloan Foundation, and the Institute of Museum and Library Services, as well as user donations. Zotero has won awards from PC Magazine, Northwestern University's CiteFest competition, and the American Political Science Association.[9]


Zotero 1.0

The first release of Zotero, 1.0.0b2.r1, was made available in October 2006 as an add-on for the Firefox web browser. Development of Zotero 1.0.x continued until May 2009, when Zotero 1.0.10 was released.

EndNote lawsuit

In 2008, OpenOffice and other such software to read and save these files using open standards—as they can legally do." [12]

The case was dismissed on June 4, 2009 due to a lack of jurisdiction.[13] Although the Virginia Supreme Court granted an appeal to Thomson Reuters in this case on December 18, 2009, the appeal was withdrawn on January 11, 2011.

Zotero 2.0

Zotero 2.0, released in February 2010, added online features like metadata and file syncing and group libraries, and included a license change from the Educational Community License to GPLv3.[14] Development of Zotero 2.0.x continued until October 2010, when Zotero 2.0.9 was released.

Zotero 2.1

Zotero 2.1, released in March 2011, adds CSL 1.0 support, Firefox 4 compatibility (the minimum is Firefox 3.6), and Zotero Commons, through which materials can be uploaded to the Internet Archive.

Zotero Standalone

Zotero Standalone, first released in January 2011, allows Zotero to be run as an independent program outside Firefox. Using XULRunner, Zotero Standalone is available for Windows, GNU/Linux and Mac OS X. Connectors are available to integrate Zotero Standalone into the web browsers Safari and Chrome.

Zotero 3.0

Zotero 3.0, released in January 2012, includes the stable release of Zotero Standalone as well as several new major features, including overhauled Word and LibreOffice integration and duplicate detection.

Zotero 4.0

Zotero 4.0, released in April 2013, includes new features such as automatic journal abbreviations, colored tags, on-demand file syncing.[15]

See also


  1. ^ "1.0_changelog [Zotero Documentation]". 12 February 2015. 
  2. ^ 4.0_changelog Zotero Documentation
  3. ^ a b "Download". Roy Rosenzweig Center for History and New Media. Retrieved 3 August 2013. 
  4. ^ "licensing [Zotero Documentation]". 24 May 2012. 
  5. ^ Dingemanse, Mark (January 25, 2008). "The etymology of Zotero". The Ideophone. Retrieved 2008-12-01. 
  6. ^ Vanhecke, Thomas E. (July 2008). "Zotero". Journal of the Medical Library Association : JMLA 96 (3): 275–276.  
  7. ^ "ZotFile". 
  8. ^ Trinoskey, Jessica; Brahmi, Frances A.; Gall, Carole (2009). "Zotero: A Product Review". Journal of Electronic Resources in Medical Libraries 6 (3): 224–229.  
  9. ^ Puckett, Jason (2011-06-20). Zotero: A Guide for Librarians, Researchers and Educators. The Association of College and Research Libraries. p. 3.  
  10. ^ "Reuters Says George Mason University Is Handing Out Its Proprietary Software". Courthouse News Service. 2008-09-17. Retrieved 2008-09-28. 
  11. ^ Owens, Trevor (2008-10-29). "Official Statement". Zotero: The Next-Generation Research Tool. Retrieved 2009-04-11. 
  12. ^ "Beta blockers?". Nature 455 (7214): 708. 2008-10-09.  
  13. ^ Takats, Sean (2009-06-04). "Thomson Reuters Lawsuit Dismissed". The Quintessence of Ham. Retrieved 2009-06-04. 
  14. ^ Center for History and New Media (2010-01-26). "changelog [Zotero Documentation]: Changes in 2.0rc1 (January 26, 2010)". Retrieved 2010-02-27. 
  15. ^ "Zotero 4.0 changelog". Retrieved 14 April 2013. 

Further reading

  • Puckett, Jason. Zotero: A Guide for Librarians, Researchers and Educators ACRL ISBN 978-0-8389-8589-2

External links

  • Official website
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