Connected Papers — Citation Graph Explorer
See how research papers are connected. Search any paper by title, topic, or DOI and explore its references and citing works as an interactive graph of connected papers. Free and unlimited — powered by open-access data from OpenAlex.
- Search a paper title, topic, or DOI and pick a result.
- Explore the graph — click any node to see that paper's details.
- Browse connected articles below, or export the map / copy BibTeX.
Connected Papers — a free tool to explore how research is connected
This free connected papers tool helps you discover how any research paper links to the wider literature. Enter a paper title, research topic, or DOI and it builds an interactive graph of that paper's references and the works that cite it, using the open OpenAlex database of over 250 million scholarly works. It's a fast way to find related papers, map a field, or start a literature review.
What you can do with this connected papers explorer
- Search by title, topic, or DOI with live suggestions.
- See connected papers as an interactive graph with clickable nodes sized by citation count.
- Read paper details — abstract, authors, year, topics, and an open-access link.
- Browse connected references and citing studies in a directory of related papers.
- Export the graph as a PNG and copy a BibTeX citation.
How is this different from other connected papers tools?
Many connected-papers tools limit how many graphs you can build. This one is completely free and unlimited, uses fully open data, and requires no account — so you can explore as many papers and connections as you like.