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Downloads of v 1.6.20:


Last Update:

13 Nov 2023

Package Maintainer(s):

Software Author(s):

  • Nees Jan van Eck and Ludo Waltman


vosviewer visualization bibliographic citation data mining literature embedded


  • 1
  • 2
  • 3

1.6.20 | Updated: 13 Nov 2023



Downloads of v 1.6.20:



Software Author(s):

  • Nees Jan van Eck and Ludo Waltman

VOSviewer 1.6.20

  • 1
  • 2
  • 3

All Checks are Passing

3 Passing Tests

Validation Testing Passed

Verification Testing Passed


Scan Testing Successful:

No detections found in any package files

Learn More

Deployment Method: Individual Install, Upgrade, & Uninstall

To install VOSviewer, run the following command from the command line or from PowerShell:


To upgrade VOSviewer, run the following command from the command line or from PowerShell:


To uninstall VOSviewer, run the following command from the command line or from PowerShell:


Deployment Method:


This applies to both open source and commercial editions of Chocolatey.

1. Enter Your Internal Repository Url

(this should look similar to

2. Setup Your Environment

1. Ensure you are set for organizational deployment

Please see the organizational deployment guide

2. Get the package into your environment

  • Open Source or Commercial:
    • Proxy Repository - Create a proxy nuget repository on Nexus, Artifactory Pro, or a proxy Chocolatey repository on ProGet. Point your upstream to Packages cache on first access automatically. Make sure your choco clients are using your proxy repository as a source and NOT the default community repository. See source command for more information.
    • You can also just download the package and push it to a repository Download

3. Copy Your Script

choco upgrade vosviewer -y --source="'INTERNAL REPO URL'" [other options]

See options you can pass to upgrade.

See best practices for scripting.

Add this to a PowerShell script or use a Batch script with tools and in places where you are calling directly to Chocolatey. If you are integrating, keep in mind enhanced exit codes.

If you do use a PowerShell script, use the following to ensure bad exit codes are shown as failures:

choco upgrade vosviewer -y --source="'INTERNAL REPO URL'" 

Write-Verbose "Exit code was $exitCode"
$validExitCodes = @(0, 1605, 1614, 1641, 3010)
if ($validExitCodes -contains $exitCode) {
  Exit 0

Exit $exitCode

- name: Install vosviewer
    name: vosviewer
    version: '1.6.20'
    state: present

See docs at

chocolatey_package 'vosviewer' do
  action    :install
  source   'INTERNAL REPO URL'
  version  '1.6.20'

See docs at

cChocoPackageInstaller vosviewer
    Name     = "vosviewer"
    Version  = "1.6.20"
    Source   = "INTERNAL REPO URL"

Requires cChoco DSC Resource. See docs at

package { 'vosviewer':
  ensure   => '1.6.20',
  provider => 'chocolatey',
  source   => 'INTERNAL REPO URL',

Requires Puppet Chocolatey Provider module. See docs at

4. If applicable - Chocolatey configuration/installation

See infrastructure management matrix for Chocolatey configuration elements and examples.

Package Approved

This package was approved by moderator Windos on 18 Nov 2023.


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 citation, bibliographic coupling, co-citation, 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.



  • Web of Science, Scopus, Dimensions, Lens, and PubMed. Co-authorship networks, citation-based networks, and co-occurrence networks can be created based on data downloaded from Web of Science, Scopus, Dimensions, and Lens. Co-authorship networks and co-occurrence networks can also be created based on PubMed data.
  • Crossref, Europe PMC, and OpenAlex. Networks can also be created based on data retrieved through the APIs of Crossref, Europe PMC, and OpenAlex. These APIs can be queried interactively in VOSviewer.
  • Semantic Scholar, OpenCitations, and WikiData. For a given set of DOIs, networks can also be created based on data retrieved through the APIs of Semantic Scholar, OpenCitations, and WikiData.


  • Zooming and scrolling. Visualizations of bibliometric networks can be explored in full detail using zoom and scroll functionality similar to for instance Google Maps. A smart labeling algorithm prevents labels from overlapping each other.
  • Density and overlay visualizations. Density visualizations provide a quick overview of the main areas in a bibliometric network. Overlay visualizations can for instance be used to show developments over time.
  • Screenshots. Screenshots of bibliometric network visualizations can be created at a high resolution and can be saved in many popular graphical file formats, both bitmap and vector formats.


  • Advanced layout and clustering techniques. State-of-the-art techniques for network layout and network clustering are provided. Layout and clustering results can be fine-tuned using various parameters.
  • Natural language processing techniques. Natural language processing techniques are available for creating term co-occurrence networks based on English-language textual data. Relevant and non-relevant terms can be distinguished algorithmically.
  • Creating bibliometric networks. A number of advanced features are available for creating bibliometric networks (e.g., co-authorship, bibliographic coupling, and co-citation networks). For instance, the influence of publications with many authors, many citations, or many references can be reduced using a fractional counting approach. Data cleaning can be performed using thesaurus files.

Dependency note

The VOSviewer package can be installed without a dependency, but it requires a Java Runtime Environment v8+ to start. Any flavor of Java should work, but the application will not start without the Oracle JavaSoft registry key configured. Some JRE packages can do this at install. For example, the Temurin17jre can be installed to work with VOSviewer via choco install temurin17jre --params="/ADDLOCAL=FeatureOracleJavaSoft". This package will do some basic checks for compatible Java and create the registry key for you in some cases.

$ErrorActionPreference = 'Stop'; # stop on all errors

$ToolsDir   = Split-Path -parent $MyInvocation.MyCommand.Path
$FolderOfPackage = Split-Path -Parent $toolsDir

# Remove previous versions
$Previous = Get-ChildItem $FolderOfPackage -filter "$env:ChocolateyPackageName*" | Where-Object { $_.PSIsContainer }
if ($Previous) {
   $Previous | ForEach-Object { Remove-Item $_.FullName -Recurse -Force }

$ZipFile = Get-ChildItem $ToolsDir -Filter "*.zip"

$UnzipArgs = @{
   packageName  = $env:ChocolateyPackageName
   FileFullPath = $ZipFile.FullName
   Destination  = Join-Path $FolderOfPackage $ZipFile.BaseName
Get-ChocolateyUnzip @UnzipArgs

$targetpath = (Get-ChildItem $UnzipArgs.Destination -filter *.exe -Recurse).fullname
$StartPrograms = Join-Path $env:ProgramData '\Microsoft\Windows\Start Menu\Programs'
$shortcutFilePath = Join-Path $StartPrograms 'VOSviewer.lnk'

Install-ChocolateyShortcut -shortcutFilePath $shortcutFilePath -targetPath $targetPath

# Check for a JavaSoft registry path for a compatible version.  
If (Test-Path 'HKLM:\SOFTWARE\JavaSoft\JRE') {
   $JRKversion = Get-ChildItem hklm:\SOFTWARE\JavaSoft\JRE -recurse |
                     ForEach-Object {if ($_.pschildname.split('.')[0] -match '^\d+$') {[int]($_.pschildname.split('.')[0])}} | 
                     Sort-Object | Select-Object -Last 1
   if ($JRKversion -gt 8) {
      Write-Verbose "JavaSoft registry key for version $JRKversion found."
   } else { $JavaVersion = $null }

# Check for a compatible version associated with the Java_Home environment variable.
if ($env:Java_Home) {
   if ((Test-Path $env:Java_Home) -and (Test-Path "$env:Java_Home\release")) {
      $VersionLine = Get-Content "$env:Java_Home\release" | Where-Object {$_ -match '^JAVA_VERSION="(1\.)?(\d+)'}
      if ($VersionLine) {
         $JEVversion = $matches[2]
         if ($JEVversion -ge 8) {
            Write-Verbose "Java_Home environment variable for version $JEVversion found."
         } else { $JEVversion = $null }

If (($JRKversion) -and ($JRKversion -ge $JEVversion)) {
   # JavaSoft registry key is good

If (($JRKversion -lt $JEVversion) -and ($JEVversion)) {
   # When the JavaSoft registry key is missing or older than a valid Java_Home,
   #    Add a JavaSoft registry key so VOSviewer will run.
   $null = New-Item "HKLM:\SOFTWARE\JavaSoft\JRE\$JEVversion" -Force | 
            New-ItemProperty -Name JavaHome -Value $env:Java_Home -Force
   Write-Warning 'JavaSoft registry key has been added to allow VOSviewer to start.'

If ((-not $JRKversion) -and (-not $JEVversion)) {
   # If no (easily) apparent Java installed, warn but continue.
   Write-Warning "VOSviewer requires JRE v8+ (and a JavaSoft registry entry).`n`tNo compatible Java installation was identified."

$StartShortcut = Join-Path $env:ProgramData 'Microsoft\Windows\Start Menu\Programs\VOSviewer.lnk'

if(Test-Path $StartShortcut) {
   Remove-Item $StartShortcut -Force
md5: 1E864944BCFFC53D19F5C6EF0E5E21E9 | sha1: 69C9E69BB1CDEB50E2145ECCAA3270059F5F8937 | sha256: DE9394592B8C43DF198336F7B9350ECF96BDE5CD06D82B558A547BD0D97BD26A | sha512: 8F027D0C10F66EA455D3363C2135C1899D684AB586BAB325E3063CEB0D3B965AF4C121AD86BB38B5F8FAFA9E09ECA1631F8F96E557452AE064D2107C37D0972E
Verification is intended to assist the Chocolatey moderators and community in verifying that this package's contents are trustworthy.

## Download
The VOSviewer zip file can be downloaded from the official download page:

or directly:
- Version : 1.6.20
- URL :
- SHA256 Checksum : DE9394592B8C43DF198336F7B9350ECF96BDE5CD06D82B558A547BD0D97BD26A

## Verify
You can use one of the following methods to obtain the checksum:
1. Use powershell function 'Get-Filehash'
2. Use chocolatey utility 'checksum.exe'

## License
File 'LICENSE.txt' is obtained from within the zip file.
VOSviewer 1.6.18 (

Copyright (c) 2009-2022 Nees Jan van Eck and Ludo Waltman

It is permitted, free of charge, to use and/or distribute this
software, provided that the above copyright notice and this permission
notice are retained. It is not permitted to modify this software.


VOSviewer uses the following libraries:
* Apache Commons CSV 1.6
* Apache OpenNLP 1.5.3
* Azure Identity Client Library for Java 1.3.3
* Dropbox Core SDK for Java 4.0.0
* FreeHEP VectorGraphics 2.3
* Google Drive API Client Library for Java v3-rev110-1.23.0
* Google OAuth Client Library for Java 1.23.0
* JAI ImageIO Core 1.3.1
* JBusyComponent 1.2.2
* JSON in Java 20180813
* juniversalchardet 2.0.0
* Microsoft Graph SDK for Java 4.0.0
* networkanalysis 1.1.0
* Radiance Substance 1.0.2
* Unirest for Java 1.4.9
For copyright, license, and disclaimer information for each of these
libraries, we refer to the above listed web addresses.

Log in or click on link to see number of positives.

In cases where actual malware is found, the packages are subject to removal. Software sometimes has false positives. Moderators do not necessarily validate the safety of the underlying software, only that a package retrieves software from the official distribution point and/or validate embedded software against official distribution point (where distribution rights allow redistribution).

Chocolatey Pro provides runtime protection from possible malware.

Add to Builder Version Downloads Last Updated Status
VOSviewer 1.6.19 189 Saturday, February 18, 2023 Approved
VOSviewer 1.6.18 90 Friday, May 13, 2022 Approved

This package has no dependencies.

Discussion for the VOSviewer Package

Ground Rules:

  • This discussion is only about VOSviewer and the VOSviewer package. If you have feedback for Chocolatey, please contact the Google Group.
  • This discussion will carry over multiple versions. If you have a comment about a particular version, please note that in your comments.
  • The maintainers of this Chocolatey Package will be notified about new comments that are posted to this Disqus thread, however, it is NOT a guarantee that you will get a response. If you do not hear back from the maintainers after posting a message below, please follow up by using the link on the left side of this page or follow this link to contact maintainers. If you still hear nothing back, please follow the package triage process.
  • Tell us what you love about the package or VOSviewer, or tell us what needs improvement.
  • Share your experiences with the package, or extra configuration or gotchas that you've found.
  • If you use a url, the comment will be flagged for moderation until you've been whitelisted. Disqus moderated comments are approved on a weekly schedule if not sooner. It could take between 1-5 days for your comment to show up.
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