jscpd vs art-dupl

jscpd9.4Visit art-dupl9.2Visit

Higher score jscpd #1 in Code Clone Detection Tools 9.4/10 Open source ✓ 2 of 3 features Visit jscpd

vs

art-dupl #2 in Code Clone Detection Tools 9.2/10 Open source ✓ 2 of 3 features Visit art-dupl

• jscpd fits best

  Broad, CI-driven multi-format clone detection

• art-dupl fits best

  Go teams needing deep CI clone analysis

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.

Side by side

Feature	jscpd 9.4/10 Visit ↗	art-dupl 9.2/10 Visit ↗
At a glance
Editor score	9.4	9.2
Ranking	#1 in Code Clone Detection Tools	#2 in Code Clone Detection Tools
Best for	Broad, CI-driven multi-format clone detection	Go teams needing deep CI clone analysis
Pricing model	Free	Free
Starting price	Open source	Open source
Free plan	Not checked yet	Not checked yet
Free trial	—	—
Deployment	Self-hosted	Self-hosted
Support	Docs	Docs, Community
Integrations	3 integrations	3 integrations
Built for	Solo, Small business, Mid-market, Enterprise	Small business, Mid-market, Enterprise
Features jscpd 2/3 · art-dupl 2/3
CI integration	✓	✓
IDE integration	Not checked yet	Not checked yet
Self-hosted option	✓	✓
Specs
Clone detection method	Token	Ast
Scan scope	Repository	Repository
Supported languages	Not checked yet	Not checked yet
Our review
Pros	Detects exact, renamed, and near-miss clones across repositories Supports 224 language and document formats Adds GitHub Actions, SARIF, history trends, and multiple reporters	AST-based semantic, exact, and structural clone detection Generated-code filtering, baselines, and CI checks GitHub integrations plus a programmatic Go SDK
Cons	Primarily a command-line tool rather than a visual-first product Self-hosted operation places deployment responsibility with the team Its strongest workflow is centered on repository and CI scanning	Source analysis is focused on Go and Templ projects Self-hosted operation puts environment management on the team CLI and SDK workflows may be more than small projects need
Our verdict	jscpd is an open-source command-line tool for detecting duplicated source-code blocks across repositories. It uses language-aware tokenization to identify exact, renamed, and near-miss clones, making it suitable for development teams that… Read the review →	art-dupl is an open-source command-line tool for detecting duplicated code in Go and Templ projects. It analyzes repositories through AST-based structural detection and supports semantic, exact, structural, suffix-tree, and hash-based… Read the review →

Strengths and trade-offs

• jscpd — where it wins

  • Detects exact, renamed, and near-miss clones across repositories
  • Supports 224 language and document formats
  • Adds GitHub Actions, SARIF, history trends, and multiple reporters

  Where it doesn't

  • Primarily a command-line tool rather than a visual-first product
  • Self-hosted operation places deployment responsibility with the team
  • Its strongest workflow is centered on repository and CI scanning

• art-dupl — where it wins

  • AST-based semantic, exact, and structural clone detection
  • Generated-code filtering, baselines, and CI checks
  • GitHub integrations plus a programmatic Go SDK

  Where it doesn't

  • Source analysis is focused on Go and Templ projects
  • Self-hosted operation puts environment management on the team
  • CLI and SDK workflows may be more than small projects need

• jscpd9.4/10 · Open source

  A broad, self-hosted clone detector with strong CI, reporting, and history analysis.

  Visit jscpdFull verdict →
• art-dupl9.2/10 · Open source

  A focused, self-hosted clone analyzer for Go teams building duplication checks into CI.

  Visit art-duplFull verdict →