litsearch is an open-source Python package that harvests scholarly literature from multiple sources including OpenAlex, Semantic Scholar, PubMed, Crossref, and arXiv. It supports citation-graph expansion and is designed for bibliometric analysis, systematic reviews, and research automation. The tool is available on PyPI and GitHub under the MIT license.
litsearch is a Developer Tools product. Finding, harvesting, and expanding scholarly literature across multiple academic databases and building citation graphs. litsearch is an open-source project aimed at researchers and developers. The project is open source (MIT). The product ships for the command line and API.
Amir B. Mostaghimi builds and maintains litsearch, and the product first shipped in 2026. The project is developed in the open on GitHub with 4 commits in the last 90 days. Among its 4 catalogued features are multi-source harvesting, citation graph expansion, and bibliometric analysis.
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