Open Knowledge Maps vs Research Rabbit vs Litmaps vs Inciteful
A side-by-side look at scores, pricing and features — with RECATOOLS' ASEAN-aware verdict for each.
Open Knowledge Maps
Free visual maps clustering the top 100 papers on any topic
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Research Rabbit
Visual citation-network mapper for papers — still free, now has RR+.
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Litmaps
Discover related research with citation-graph mapping
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Inciteful
Citation-graph-driven literature exploration (free)
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| RECATOOLS Score | 6.7 / 10 | 7.7 / 10 | 7 / 10 | 7.5 / 10 |
| Capability | ||||
| Value for money | ||||
| Ease of use | ||||
| ASEAN readiness | ||||
| API quality | ||||
| Pricing | Free | Free | Freemium | Free |
| Free tier | Full access free, no account required | Full access for free | 3 maps with 200 papers each | Full access free |
| Paid from | — | — | $10/month (Researcher) | — |
| Has API | ✗ | ✗ | ✗ | ✗ |
| Open source | ✓ | ✗ | ✗ | ✗ |
| Free to use | ✓ | ✓ | ✗ | ✓ |
| Users | 500k+ researchers | 1m+ researchers | 100k+ researchers | 100k+ researchers |
| Founded | 2015 | 2021 | 2016 | 2020 |
| Maker | Peter Kraker | Riley Davis, Timothy Chang | University of Otago | Michael Karpeles |
| Verdict | Open Knowledge Maps turns a search query into an interactive map that clusters the top 100 documents from PubMed or BASE into visual topic groups — a fast, free way to get oriented in an unfamiliar field. It's a register... |
Research Rabbit maps citation networks, co-authorship, and topic timelines around any paper, and for years operated as a fully free public good for researchers. That changed on October 30, 2025: a redesign kept the core... |
Litmaps maps citation networks so you can see how papers connect, spot the seminal ones, and catch new work as it publishes — handy for systematic reviews and expanding out from a handful of seed papers. The bigger 2026... |
Inciteful builds citation networks from seed papers and surfaces related work, key authors and connecting literature far faster than manual searching — and it's free, with no account needed. Paper Discovery and the Liter... |
| Full review → | Full review → | Full review → | Full review → |
Comparisons cover up to 4 tools. Scores are RECATOOLS editorial assessments; verify current pricing on each vendor's site.