Bibliometrix vs LitMap

Bibliometrix is an open-source R tool for quantitative scientometric and bibliometric research. Its analyses include descriptive statistics, co-citation, co-authorship, keyword co-occurrence, thematic mapping, and historiographic networks. It works with bibliographic files from Web of Science, Scopus, Dimensions, The Lens, PubMed, and the Cochrane Library; companion R packages add API support for Dimensions, NCBI PubMed, and Scopus. Biblioshiny provides a web interface for people without coding or R knowledge, while the package can also work with other statistical R packages. Biblioverse packages extend the system from data collection to text and content analysis. The openalexR package can bring publication, author, institution, and concept metadata from OpenAlex into bibliometrix structures. Using bibliometrix or biblioshiny requires R. Stable releases are distributed through CRAN, while a daily-updated GitHub beta may contain minor bugs. PubMed exports lack citation and reference-list metadata, preventing citation, bibliographic coupling, and co-citation links. Web of Science and Scopus service access requires a subscription.

LitMap is a web tool for analyzing papers and organizing a literature review. Users upload PDFs, and the service extracts claims, methods, and findings. AI extraction can also identify definitions and limitations, with editable results. Papers are clustered by semantic similarity on a visual canvas that users can rearrange. LitMap highlights disagreements with side-by-side quotations and lets users mark them resolved or unresolved. Its gap finder identifies missing populations, methods, or timeframes. Users can arrange papers and themes into an outline, then export organized notes with citations as Markdown, CSV, or JSON. LitMap does not write literature-review prose or paraphrase sources. The site says it works offline, keeps data in the browser, and requires no account. It is labeled beta. The Free plan costs nothing and allows five projects with 50 papers per project; Student costs €5 a month, and Academic costs €25 a month.