Best Duplo Alternatives in 2026
Updated
20 platforms from code clone detection tools ranked against Duplo on the same published basis.
- 1Duplo vs jscpd
- 2Duplo vs copydetect
- 3Duplo vs Hound
- 5Duplo vs PMD
- 6Duplo vs dcd
- 7Duplo vs NiCad
- 8Duplo vs Simian Similarity Analyzer
- 9Duplo vs CloneWorks
- 10Duplo vs art-dupl
- 11Duplo vs CCFinderSW
- 12Duplo vs QuickDup
- 13Duplo vs Algo VPN
- 14Duplo vs @kongyo2/similarity-ts
- 15Duplo vs Amimica
- 16Duplo vs Deckard
- 17Duplo vs phpcpd-next
- 18Duplo vs semdup
- 19Duplo vs SourcererCC
- 20Duplo vs CodeMatch
- 21Duplo vs CopyPaste
Duplo alternatives compared
| # | Platform | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | jscpd | 7.3 | Free plan | Free | API, Linux, Mac, self-hosted, Windows |
| 2 | copydetect | 7.0 | No | — | API, Linux, Mac, self-hosted, Windows |
| 3 | Hound | 7.0 | No | — | API, Linux, Mac, self-hosted, Web |
| 5 | PMD | 6.0 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 6 | dcd | 5.9 | Free plan | Free | Linux, Mac |
| 7 | NiCad | 5.9 | Free plan | Free | Linux, Mac, self-hosted, Windows |
| 8 | Simian Similarity Analyzer | 5.9 | Free plan | Free | Linux, Mac, Windows |
| 9 | CloneWorks | 5.8 | Free plan | Free | Linux, Mac, Windows |
| 10 | art-dupl | 5.4 | No | — | — |
| 11 | CCFinderSW | 5.4 | No | — | Windows |
| 12 | QuickDup | 5.4 | No | — | Linux, Mac, Windows |
| 13 | Algo VPN | 5.3 | No | — | Android, iOS, Linux, Mac, Windows |
| 14 | @kongyo2/similarity-ts | 5.1 | No | — | — |
| 15 | Amimica | 5.1 | No | — | — |
| 16 | Deckard | 5.1 | No | — | Windows, Mac, Linux |
| 17 | phpcpd-next | 5.1 | Free plan | Free | API, Linux, self-hosted |
| 18 | semdup | 5.0 | No | — | Linux, Mac, self-hosted, Windows |
| 19 | SourcererCC | 5.0 | No | — | Linux, self-hosted |
| 20 | CodeMatch | 4.9 | No | — | — |
| 21 | CopyPaste | 4.8 | Free plan | Free | Mac, Windows |
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Questions about Duplo alternatives
What is the best alternative to Duplo?
jscpd, number 1 in code clone detection tools with a score of 7.3 out of 10. The others here: copydetect, Hound, PMD and 16 more.
What is the best free alternative to Duplo?
jscpd 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, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it.