Interactive maps of research literature
4.4 Bottom line: Litmaps is a strong research tool, best known for seed-based citation maps. It has a free plan.
Litmaps builds interactive maps from a seed paper or search, with nodes for papers and links for citations, so you can trace how a topic developed. It surfaces related work, tracks new papers, and helps you keep a literature review current. It fits students and researchers doing structured discovery.
| Tool | Rating | Free | From | Best known for |
|---|---|---|---|---|
 Litmaps (this tool) | 4.4 | Yes | $10/mo | Seed-based citation maps |
 ResearchRabbit | 4.6 | Yes | Free | Citation network visualization |
 Semantic Scholar | 4.6 | Yes | Free | 200M+ paper index |
 NotebookLM | 4.5 | Yes | Free | Answers grounded in your files |
Litmaps is a strong research tool, best known for seed-based citation maps. It offers a free plan, with paid upgrades from $10/mo.
What makes it different: Litmaps stands out for seed-based citation maps.
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