• Bibexcel - Persson et al., 2009
  • CiteSpace II - Chen, 2004, 2006
  • CoPalRed - Bailón-Moreno et al., 2005, 2006 N-SPIRE - Wise, 1999
  • Leydesdorff’s Software
  • Network Workbench Tool - Börner et al., 2010; Herr et al., 2007
  • Sci 2 Tool - Sci 2 Team, 2009
  • VantagePoint - Porter & Cunningham, 2004
  • VOSViewer - van Eck & Waltman, 2010