Visualization & Analytics Tools
VOSviewer is a free software tool for visualizing bibliometric networks. They are constructed based on citation, bibliographic coupling, co-citation, or co-authorship relations. VOSviewer also offers text mining functionality that can be used to visualize co-occurrence networks of important terms extracted from a body of scientific literature.
Read more the illustration by University of Illinois Chicago.
CitNetExplorer is a free software tool for visualizing and analyzing citation networks of scientific publications. This tool imports citation data directly from the Web of Science database and drills down to identify clusters of closely related publications.
Read more the illustration by University of Illinois Chicago.
Literature Mapping & Discovery Tools
Connected Papers is an online visual tool connecting to the Semantic Scholar Paper Corpus in finding and exploring applied scientific research papers.
Litmaps creates interactive literature maps based on your search criteria and analyzes the citation patterns of the articles you selected.
Tools to retrieve data from Google Scholar for citation analysis:
Scholarometer is "a social platform to facilitate citation analysis. You provide author field annotations, and our tool uses this crowdsourced data to evaluate the impact of an author's publications. Our impact metric can be compared across fields. Install the browser extension to use Scholarometer" by Indiana University.
Publish or Perish is a software program that retrieves and analyzes academic citations from external data sources for citation data, then it analyzes and presents a range of citation metrics, including the number of papers, total citations and the h-index.