Best Simian Similarity Analyzer Alternatives in 2026
The top Simian Similarity Analyzer alternatives are jscpd, art-dupl and PMD: 15 code clone detection tools our editors would look at instead of Simian Similarity Analyzer, in our ranking order.
Simian Similarity Analyzer: A mature, configurable CLI scanner for repository-wide duplicate-code analysis. Where it falls short: text-based detection may miss structural similarities beyond duplicated text.
Switching from Simian Similarity Analyzer? For most code clone detection tools buyers the best Simian Similarity Analyzer alternative is jscpd, built for broad, CI-driven multi-format clone detection. CodeMatch offers the most supported languages (54 languages).
Why People Look for a Simian Similarity Analyzer Alternative
- Text-based detection may miss structural similarities beyond duplicated text
- No IDE integration is provided
- Java Virtual Machine execution adds a runtime dependency
Quick Picks by What You Need
- Best overalljscpd9.4
Broad, CI-driven multi-format clone detection
Visit jscpd - Best free optionjscpd9.4
Has a free plan
Visit jscpd - Most supported languagesCodeMatch8.0
54 languages
Visit CodeMatch
All 15 Simian Similarity Analyzer Alternatives, Ranked
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
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Best forBroad, CI-driven multi-format clone detection
- Better than Simian Similarity Analyzer:
- Editor score 9.4 vs 8.3
A broad, self-hosted clone detector with strong CI, reporting, and history analysis.
- CI integration
- Self-hosted option
9.4/10★★★★★Visit jscpd -
Best forGo teams needing deep CI clone analysis
- Better than Simian Similarity Analyzer:
- Editor score 9.2 vs 8.3
A focused, self-hosted clone analyzer for Go teams building duplication checks into CI.
- CI integration
- Self-hosted option
9.2/10★★★★★Visit art-dupl -
Best forTeams wanting clones plus broad static analysis
- Better than Simian Similarity Analyzer:
- Editor score 9.0 vs 8.3
A strong open-source choice for teams pairing clone detection with broad static analysis.
9.0/10★★★★☆Visit PMD -
Best forResearch-grade configurable clone detection
- Better than Simian Similarity Analyzer:
- Editor score 8.8 vs 8.3
A configurable, self-hosted choice for exact and near-miss clone analysis.
- Self-hosted option
8.8/10★★★★☆Visit NiCad -
Best forOpen-source hybrid detection with developer tooling
- Better than Simian Similarity Analyzer:
- Editor score 8.7 vs 8.3
An open-source hybrid detector for finding exact, renamed, near-duplicate, and recurring code.
- Self-hosted option
8.7/10★★★★☆Visit Amimica -
Best forTypeScript repositories needing CI clone gates
- Better than Simian Similarity Analyzer:
- Editor score 8.6 vs 8.3
A focused, self-hosted CLI for TypeScript clone checks and CI gates.
- CI integration
- Self-hosted option
8.6/10★★★★☆Visit kongyo2 -
Best forTeams reviewing clones in GitHub pull requests
- Better than Simian Similarity Analyzer:
- Editor score 8.5 vs 8.3
An open-source candidate finder for reviewing likely code duplicates in pull requests.
- CI integration
- Self-hosted option
8.5/10★★★★☆Visit QuickDup -
Best forSemantic duplicate detection with local inference
- Better than Simian Similarity Analyzer:
- Editor score 8.4 vs 8.3
A self-hosted semantic clone detector with repository diff and CI support.
- CI integration
- Self-hosted option
8.4/10★★★★☆Visit semdup -
Best forSimple cross-platform source-block scanning
A focused, free CLI scanner for finding duplicated source blocks across repositories.
- CI integration
- Self-hosted option
8.2/10★★★★☆Visit Duplo -
Best forPHP projects needing CI-ready clone reports
A focused open-source choice for PHP teams that need detailed clone reports in CI.
- CI integration
- Self-hosted option
8.1/10★★★★☆Visit phpcpd-next -
Best forLarge multi-language commercial comparisons
A focused investigation tool for ranking code similarities across large, multi-language repositories.
8.0/10★★★★☆Visit CodeMatch -
Best forLightweight fuzzy duplicate checks in CI
A focused, self-hosted option for fuzzy duplicate checks in CI.
- CI integration
- Self-hosted option
7.9/10★★★★☆Visit dcd -
Best forSelf-hosted repository search with editor access
A free, editor-connected repository search engine with broad source-control support.
7.8/10★★★★☆Visit Hound -
Best forLarge-scale configurable token-based scans
A configurable, self-hosted token-based detector for repository-scale clone analysis.
- Self-hosted option
7.7/10★★★★☆Visit CloneWorks -
Best forWindows users needing token clone reports
A focused open-source Java CLI for token-based clone reports on Windows.
- Self-hosted option
7.6/10★★★★☆Visit CCFinderSW
Simian Similarity Analyzer Alternatives: Common Questions
What is the best alternative to Simian Similarity Analyzer?
jscpd: #1 in our Code Clone Detection Tools ranking, with an editor score of 9.4 out of 10. A broad, self-hosted clone detector with strong CI, reporting, and history analysis.
Is there a free alternative to Simian Similarity Analyzer?
Yes. jscpd, art-dupl, PMD, NiCad and Amimica have a free plan or a free tier (14 of the 15 alternatives on this page).
Why do people look for Simian Similarity Analyzer alternatives?
Text-based detection may miss structural similarities beyond duplicated text; No IDE integration is provided; Java Virtual Machine execution adds a runtime dependency.
Which Simian Similarity Analyzer alternative has the most supported languages?
CodeMatch, with 54 languages.
How do I switch from Simian Similarity Analyzer?
Export your data from Simian Similarity Analyzer (most tools have an export in their settings). Sign up for the alternative; start on its free plan or trial if it has one. Import your export and set up the integrations your team relies on. Run both side by side for a short while, then cancel Simian Similarity Analyzer.
How to Switch from Simian Similarity Analyzer
- Export your data from Simian Similarity Analyzer (most tools have an export in their settings).
- Sign up for the alternative; start on its free plan or trial if it has one.
- Import your export and set up the integrations your team relies on.
- Run both side by side for a short while, then cancel Simian Similarity Analyzer.
Simian Similarity Analyzer vs Each Alternative
| # | Tool | Free plan | Paid from | Clone detection method | Scan scope | CI integration | Self-hosted option | Score |
|---|---|---|---|---|---|---|---|---|
| 9 | Simian Similarity Analyzer | Free | Text | Repository | Yes | Yes | 8.3 | |
| 1 | jscpd | Free | Token | Repository | Yes | Yes | 9.4 | |
| 2 | art-dupl | Free | Ast | Repository | Yes | Yes | 9.2 | |
| 3 | PMD | Yes | Free | 9.0 | ||||
| 4 | NiCad | Yes | Free | Hybrid | Repository | Yes | 8.8 | |
| 5 | Amimica | Yes | Free | Hybrid | Repository | No | Yes | 8.7 |
| 6 | @kongyo2/similarity-ts | Yes | Free | Ast | Repository | Yes | Yes | 8.6 |
| 7 | QuickDup | Free | Hybrid | Repository | Yes | Yes | 8.5 | |
| 8 | semdup | Free | Semantic | Repository | Yes | Yes | 8.4 | |
| 9 | Duplo | Yes | Free | Text | Repository | Yes | Yes | 8.2 |
| 10 | phpcpd-next | Free | Token | Repository | Yes | Yes | 8.1 | |
| 11 | CodeMatch | No | Hybrid | Repository | 8.0 | |||
| 12 | dcd | Yes | Free | Text | Repository | Yes | Yes | 7.9 |
| 13 | Hound | Yes | Free | 7.8 | ||||
| 14 | CloneWorks | Yes | Free | Token | Repository | Yes | 7.7 | |
| 15 | CCFinderSW | Free | Token | Yes | 7.6 |
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update