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Trending Repos, Analyzed

How much duplicated code ships in GitHub's trending repositories? Every day a GitHub Actions pipeline picks the day's trending repos, runs jscpd v5 on each, and publishes the results here.

Sep 17Sep 19

Analyzed September 18, 2026 · 10,787 clones in 12 repos · jump to latest

Daily statistics3.7M lines · 10,787 clones · 4.76% duplicated
12repos analyzed
15.3Kfiles scanned
3.7Mlines scanned
10.8Kclones found
176.4Kduplicated lines4.76% of all lines
3.76%median duplicationmean 5.61%
Most duplicatedjamiepine/voicebox14.31%Most clonesTencent/WeKnora4,270Cleanestanthropics/claude-code0.73%

Daily totals across trending repos

Clones per analysis day · click a day to open it

010K20K30KSep 1Sep 4Sep 7Sep 10Sep 13Sep 18
Show as table
DayReposLinesClonesDuplicated linesDuplication
Sep 19, 2026123,973,72120,841282,7507.12%
Sep 18, 2026123,708,32710,787176,4004.76%
Sep 17, 2026124,325,53811,562195,0394.51%
Sep 16, 202693,148,38711,610208,3856.62%
Sep 15, 2026122,876,9039,110188,4906.55%
Sep 14, 2026124,396,80318,031322,2097.33%
Sep 13, 2026123,582,22415,906256,1517.15%
Sep 12, 2026122,958,23211,791205,4956.95%
Sep 11, 2026122,244,6089,618149,2196.65%
Sep 10, 2026102,970,8298,787329,05811.08%
Sep 9, 2026101,922,5094,709264,86713.78%
Sep 8, 202691,901,4607,728114,0546%
Sep 7, 202692,478,32810,859145,0695.85%
Sep 6, 202610779,8612,57252,8296.77%
Sep 5, 2026101,847,94811,024205,57711.12%
Sep 4, 2026102,753,0217,955133,1054.83%
Sep 3, 2026123,738,85923,917586,70115.69%
Sep 2, 2026113,526,6349,204167,7464.76%
Sep 1, 2026124,056,45510,397182,6854.5%

Repositories

Ranked as on GitHub trending that day. Open a repository for its full statistics, per-format breakdown and largest duplicated blocks.

1alibaba/open-code-reviewFast, efficient, battle-tested at Alibaba's scale. Hybrid architecture code review tool: deterministic pipelines + LLM Agent, precise line-level comments, built-in multi-language ruleset (NPE, thread-safety, XSS, SQL injection), OpenAI & Anthropic compatible.Go★ 35,378+3,286 today914 files233.9K lines1,186clones13.69%2cloudflare/security-audit-skillA coding-agent skill for multi-phase security audits with independently verified, machine-readable findingsJavaScript★ 11,067+3,607 today48 files7.1K lines28clones6.19%3addyosmani/agent-skillsProduction-grade engineering skills for AI coding agents.JavaScript★ 95,981+680 today287 files35.4K lines42clones1.37%4Tencent/BrowserSkillLet AI agents use your real, logged-in browser without interrupting your work. CLI + extension for browser automation across any shell-capable AI agent.TypeScript★ 4,467+1,302 today723 files175.2K lines1,285clones12%5alphaXiv/OpenResearchTurn your coding agents into research agentsRust★ 5,078+939 today430 files173.9K lines355clones2.33%6anthropics/claude-codeClaude Code is an agentic coding tool that lives in your terminal, understands your codebase, and helps you code faster by executing routine tasks, explaining complex code, and handling git workflows - all through natural language commands.TypeScript★ 145,943+538 today566 files97.5K lines53clones0.73%7anthropics/knowledge-work-pluginsOpen source repository of plugins primarily intended for knowledge workers to use in Claude CoworkPython★ 24,629+287 today2,148 files379.4K lines604clones2.79%8Tencent/WeKnoraOpen-source LLM knowledge platform: turn raw documents into a queryable RAG, an autonomous reasoning agent, and a self-maintaining Wiki.Go★ 26,514+1,125 today4,399 files1.4M lines4,270clones3.34%9abue-ammar/tinycastTinycast — a tiny, fully native macOS launcher, hotkeys, and clipboard history.Swift★ 6,226+739 today897 files152.2K lines234clones1.65%10jamiepine/voiceboxThe open-source AI voice studio. Clone, dictate, create.TypeScript★ 54,937+667 today488 files120.6K lines214clones14.31%11JustVugg/colibriRun frontier MoE models on hardware you already own — pure C, zero deps, experts streamed from disk. Tiny engine, immense model. 🐦C★ 35,849+873 today674 files227K lines900clones4.7%12TencentCloud/OctopA smarter, self-hosted AI assistant — multi-user, multi-agent.Python★ 3,599+367 today3,707 files749.6K lines1,616clones4.18%

By language

LanguageReposLinesClonesDuplicated linesDuplication
TypeScript3393,2561,55238,9759.91%
Go21,590,4125,45677,3854.87%
Python21,128,9832,22041,9023.71%
JavaScript242,528709262.18%
C1227,01990010,6624.7%
Rust1173,8833554,0432.33%
Swift1152,2462342,5071.65%
GitHubXSupportRust cratePyPI
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