Best Duplo Alternatives in 2026
Updated
20 tools from code clone detection tools ranked against Duplo on the same published basis.
- 2Duplo vs PMD
- 3Duplo vs Simian Similarity Analyzer
- 4Duplo vs CloneWorks
- 5Duplo vs jscpd
- 6Duplo vs dcd
- 7Duplo vs NiCad
- 8Duplo vs QuickDup
- 9Duplo vs copydetect
- 10Duplo vs Hound
- 11Duplo vs phpcpd-next
- 12Duplo vs Algo VPN
- 13Duplo vs CopyPaste
- 14Duplo vs dskDitto
- 15Duplo vs semdup
- 16Duplo vs @kongyo2/similarity-ts
- 17Duplo vs CCFinderSW
- 18Duplo vs art-dupl
- 19Duplo vs Deckard
- 20Duplo vs SourcererCC
- 21Duplo vs Amimica
Duplo alternatives compared
| # | Tool | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 2 | PMD | 7.3 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 3 | Simian Similarity Analyzer | 7.3 | Free plan | Free | Linux, Mac, Windows |
| 4 | CloneWorks | 7.2 | Free plan | Free | Linux, Mac, Windows |
| 5 | jscpd | 7.2 | Free plan | Free | API, Linux, Mac, self-hosted, Windows |
| 6 | dcd | 7.1 | Free plan | Free | Linux, Mac |
| 7 | NiCad | 7.1 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 8 | QuickDup | 7.0 | No | — | Linux, Mac, Windows |
| 9 | copydetect | 6.9 | No | — | API, Linux, Mac, self-hosted, Windows |
| 10 | Hound | 6.9 | No | — | API, Linux, Mac, self-hosted, Web |
| 11 | phpcpd-next | 6.9 | Free plan | Free | API, Linux, self-hosted |
| 12 | Algo VPN | 6.8 | No | — | Android, iOS, Linux, Mac, Windows |
| 13 | CopyPaste | 6.8 | Free plan | Free | Mac, Windows |
| 14 | dskDitto | 6.8 | No | — | Linux, Mac |
| 15 | semdup | 6.7 | No | — | Linux, Mac, self-hosted, Windows |
| 16 | @kongyo2/similarity-ts | 6.3 | No | — | — |
| 17 | CCFinderSW | 6.3 | No | — | Windows |
| 18 | art-dupl | 6.2 | No | — | — |
| 19 | Deckard | 6.2 | No | — | Windows, Mac, Linux |
| 20 | SourcererCC | 6.2 | No | — | Linux, self-hosted |
| 21 | Amimica | 5.7 | No | — | — |
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Questions about Duplo alternatives
What is the best alternative to Duplo?
PMD, number 2 in code clone detection tools with a score of 7.3 out of 10. The others here: Simian Similarity Analyzer, CloneWorks, jscpd and 16 more.
What is the best free alternative to Duplo?
PMD is the best-ranked alternative with a free plan. 8 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on what each maker publishes, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing.