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.
Analyzed September 17, 2026 · 11,562 clones in 12 repos · jump to latest
Daily statistics
12repos analyzed
14.9Kfiles scanned
4.3Mlines scanned
11.6Kclones found
195Kduplicated lines4.51% of all lines
3.39%median duplicationmean 5.06%
Daily totals across trending repos
Clones per analysis day · click a day to open it
Show as table
| Day | Repos | Lines | Clones | Duplicated lines | Duplication |
|---|---|---|---|---|---|
| Sep 18, 2026 | 12 | 3,708,327 | 10,787 | 176,400 | 4.76% |
| Sep 17, 2026 | 12 | 4,325,538 | 11,562 | 195,039 | 4.51% |
| Sep 16, 2026 | 9 | 3,148,387 | 11,610 | 208,385 | 6.62% |
| Sep 15, 2026 | 12 | 2,876,903 | 9,110 | 188,490 | 6.55% |
| Sep 14, 2026 | 12 | 4,396,803 | 18,031 | 322,209 | 7.33% |
| Sep 13, 2026 | 12 | 3,582,224 | 15,906 | 256,151 | 7.15% |
| Sep 12, 2026 | 12 | 2,958,232 | 11,791 | 205,495 | 6.95% |
| Sep 11, 2026 | 12 | 2,244,608 | 9,618 | 149,219 | 6.65% |
| Sep 10, 2026 | 10 | 2,970,829 | 8,787 | 329,058 | 11.08% |
| Sep 9, 2026 | 10 | 1,922,509 | 4,709 | 264,867 | 13.78% |
| Sep 8, 2026 | 9 | 1,901,460 | 7,728 | 114,054 | 6% |
| Sep 7, 2026 | 9 | 2,478,328 | 10,859 | 145,069 | 5.85% |
| Sep 6, 2026 | 10 | 779,861 | 2,572 | 52,829 | 6.77% |
| Sep 5, 2026 | 10 | 1,847,948 | 11,024 | 205,577 | 11.12% |
| Sep 4, 2026 | 10 | 2,753,021 | 7,955 | 133,105 | 4.83% |
| Sep 3, 2026 | 12 | 3,738,859 | 23,917 | 586,701 | 15.69% |
| Sep 2, 2026 | 11 | 3,526,634 | 9,204 | 167,746 | 4.76% |
| Sep 1, 2026 | 12 | 4,056,455 | 10,397 | 182,685 | 4.5% |
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★ 32,553+3,231 today910 files230.1K lines1,154clones13.69%2cloudflare/security-audit-skillA coding-agent skill for multi-phase security audits with independently verified, machine-readable findingsJavaScript★ 7,788+927 today48 files7.1K lines28clones6.19%3JustVugg/colibriRun frontier MoE models on hardware you already own — pure C, zero deps, experts streamed from disk. Tiny engine, immense model. 🐦C★ 35,169+1,546 today674 files227K lines900clones4.7%4abue-ammar/tinycastTinycast — a tiny, fully native macOS launcher, hotkeys, and clipboard history.Swift★ 5,733+1,179 today883 files149K lines237clones1.69%5jamiepine/voiceboxThe open-source AI voice studio. Clone, dictate, create.TypeScript★ 54,515+417 today488 files120.6K lines214clones14.31%6anthropics/knowledge-work-pluginsOpen source repository of plugins primarily intended for knowledge workers to use in Claude CoworkPython★ 24,354+110 today2,148 files379.4K lines604clones2.79%7ankitects/ankiAnki is a smart spaced repetition flashcard programRust★ 30,950+58 today1,683 files243.2K lines451clones3.31%8anthropics/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★ 145,628+165 today566 files97.3K lines53clones0.73%9alphaXiv/OpenResearchTurn your coding agents into research agentsRust★ 4,569+1,017 today430 files173.7K lines355clones2.33%10rlaope/oh-my-hermesAll in one plugin for Hermes Agent ⚚ the coding intelligence, a long-term memory system and model optimized workflow packagesPython★ 2,612+80 today2,432 files869K lines3,333clones6.92%11Tencent/WeKnoraOpen-source LLM knowledge platform: turn raw documents into a queryable RAG, an autonomous reasoning agent, and a self-maintaining Wiki.Go★ 25,587+1,197 today4,273 files1.3M lines4,127clones3.47%12SnailSploit/Claude-Redclaude-red is a curated library of offensive security skills designed for the Claude skills system. Each skill is a structured SKILL.md file that primes Claude with expert-level methodology for a specific attack surface — from SQLi to shellcode, EDR evasion to exploit development.Python★ 5,853+367 today350 files493.7K lines106clones0.56%
By language
| Language | Repos | Lines | Clones | Duplicated lines | Duplication |
|---|---|---|---|---|---|
| Python | 3 | 1,742,045 | 4,043 | 73,494 | 4.22% |
| Go | 2 | 1,565,462 | 5,281 | 77,870 | 4.97% |
| Rust | 2 | 416,950 | 806 | 12,093 | 2.9% |
| TypeScript | 2 | 217,896 | 267 | 17,954 | 8.24% |
| C | 1 | 227,019 | 900 | 10,662 | 4.7% |
| Swift | 1 | 149,027 | 237 | 2,524 | 1.69% |
| JavaScript | 1 | 7,139 | 28 | 442 | 6.19% |