Welcome to VOSviewer

VOSviewer is a software tool for constructing and visualizing bibliometric networks. These networks may for instance include journals, researchers, or individual publications, and they can be constructed based on co-citation, bibliographic coupling, or co-authorship relations. VOSviewer also offers text mining functionality that can be used to construct and visualize co-occurrence networks of important terms extracted from a body of scientific literature.

VOSviewer version 1.6.4

VOSviewer version 1.6.4 was released on April 7, 2016. This version includes the following new features and improvements:

  • Citation networks. Functionality has been added for creating direct citation networks based on Web of Science and Scopus files.
  • Keyword co-occurrence networks. Functionality has been added for creating keyword co-occurrence networks based on Web of Science, Scopus, and PubMed files.
  • Support for RIS files. Functionality has been added for creating co-authorship, keyword co-occurrence, and term co-occurrence networks based on RIS files. The RIS file format is supported by for instance Mendeley, BibSonomy, Zotero, and Publish or Perish.
  • Automatic layout parameters. When creating a new map, the parameters of the layout technique can automatically be set to appropriate values.
  • Improved user interface. A number of user interface improvements have been made.

Download VOSviewer


VOSviewer version 1.6.3

VOSviewer version 1.6.3 was released on October 27, 2015. This version includes the following new features:

  • Bibliographic coupling and co-authorship networks of countries. Functionality has been added for creating bibliographic coupling and co-authorship networks of countries based on Web of Science and Scopus data.
  • Automatic detection of copyright statements. When creating a term map, copyright statements in the abstracts of scientific publications can be automatically detected and ignored.

VOSviewer web start

Click the button below to launch VOSviewer directly from this web page. This requires a system with Java support.

Launch VOSviewer


Next edition of CWTS VOSviewer course will take place in April 2017

On April 6 and 7, 2017, CWTS will organize the next edition of its VOSviewer course. Participants will learn about all ins and outs of VOSviewer. The course is taught by the VOSviewer developers and includes a lot of hands-on practice with the software.

VOSviewer course


You may also be interested in our CitNetExplorer tool

CitNetExplorer is a software tool for visualizing and analyzing citation networks of scientific publications. Citation networks can be explored interactively, for instance by drilling down into a network and by identifying clusters of closely related publications.

CitNetExplorer website

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