Week 39, 2026
Sep 21 – Sep 27. Every repository that was on GitHub trending on one of the days below, measured with jscpd; a repository trending on several days appears once, with its last measurement.
Days: Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27
40repositories7 analysis days
5.79%median code duplication36 repos with a code-only scan
237generated files skipped
9.51%median duplication, all files
122.2Kclones found31.3K in code
Repositories
Sorted by stars gained on their best day. The code column leaves out tests, docs, data, vendored and generated files; a dash means the appearance had no code-only scan or too few code files for one.
| Repository | Stars | Days | Code | All files | Largest finding |
|---|---|---|---|---|---|
| paperclipai/paperclipTypeScript | 87.8K +2,608 | 2 | 6.75% | 11.19% | 1048 lines × 2 tsx |
| cloudflare/security-audit-skillJavaScript | 18.3K +2,428 | 1 | — | 7.17% | 34 lines × 2 docs and examples |
| google/axGo | 11.6K +2,305 | 4 | 2.4% | 5.24% | 15 lines × 3 go |
| dream-num/univerTypeScript | 19.7K +1,142 | 5 | 8.19% | 13.3% | 371 lines × 2 tsx |
| Open-Dev-Society/OpenStockTypeScript | 18.9K +844 | 3 | 0.83% | 1.1% | 13 lines × 2 tsx |
| addyosmani/agent-skillsJavaScript | 97.8K +736 | 1 | 5.22% | 2.38% | 12 lines × 3 bash |
| anthropics/financial-servicesPython | 37.4K +664 | 5 | 18.71% | 30.59% | 292 lines × 3 python |
| BuilderIO/agent-nativeTypeScript | 6.6K +607 | 3 | 5.71% | 12.52% | 542 lines × 9 tsx |
| agent-substrate/substrateGo | 3.6K +558 | 2 | 3.2% | 9.58% | 14 lines × 6 go |
| mvt-project/mvtPython | 14.8K +543 | 4 | 16.1% | 10.47% | 19 lines × 21 python |
| superdesigndev/tregPython | 3.2K +506 | 3 | 1.48% | 15% | 547 lines × 2 javascript |
| higgsfield-ai/higgsfieldJupyter Notebook | 5.5K +465 | 1 | 8.39% | 7.07% | 45 lines × 2 python |
| strands-agents/harness-sdkPython | 8.3K +455 | 2 | 1.59% | 7.14% | 37 lines × 2 python |
| anthropics/claude-codeTypeScript | 147.2K +419 | 1 | 1.26% | 1.07% | 28 lines × 2 python |
| HKUDS/CLI-AnythingPython | 50.4K +413 | 2 | 24.26% | 19.77% | 565 lines × 49 python |
| Crosstalk-Solutions/project-nomadTypeScript | 38K +394 | 1 | 1.97% | 1.9% | 20 lines × 2 tsx |
| openbao/openbaoGo | 8K +364 | 2 | 8.77% | 15.83% | 17 lines × 31 go |
| NVIDIA/Model-OptimizerPython | 4.8K +359 | 3 | 1.85% | 4.16% | 18 lines × 2 cpp |
| pbakaus/impeccableJavaScript | 71.3K +306 | 2 | 65.32% | 64.95% | 13499 lines × 21 javascript |
| vercel-labs/json-renderTypeScript | 17.5K +291 | 1 | 22.98% | 23.6% | 262 lines × 3 tsx |
| zhouxiaoka/autoclipPython | 8.4K +250 | 1 | 3.28% | 7.79% | 62 lines × 2 tsx |
| browser-use/video-usePython | 26K +191 | 1 | — | 2.06% | 56 lines × 2 markup |
| DeusData/codebase-memory-mcpC | 44.7K +190 | 1 | 21.48% | 30% | 246 lines × 89 c-header |
| anthropics/skillsPython | 178.4K +189 | 1 | 35.5% | 22.85% | 875 lines × 3 python |
| derv82/wifit3Python | 1K +183 | 1 | 24.6% | 21.21% | 1047 lines × 2 python |
| FxEmbed/FxEmbedTypeScript | 5.4K +182 | 1 | 9.43% | 29.68% | 15 lines × 5 typescript |
| ruanyf/weekly | 104.2K +182 | 1 | — | 3.29% | 11 lines × 50 docs and examples |
| mihail911/modern-software-dev-assignmentsPython | 4.6K +172 | 1 | 27.61% | 28.97% | 56 lines × 4 python |
| mobile-next/mobile-mcpTypeScript | 7.5K +168 | 1 | 3.85% | 5.49% | 18 lines × 3 typescript |
| akitaonrails/ai-memoryRust | 7.8K +167 | 1 | 8.59% | 9.44% | 11 lines × 57 rust |
| julyx10/lapVue | 2.9K +122 | 1 | 1.99% | 2.08% | 15 lines × 3 rust |
| kelseyhightower/kubernetes-the-hard-way | 50.2K +119 | 1 | — | 0.58% | 21 lines × 2 docs and examples |
| anthropics/claude-plugins-officialPython | 37K +83 | 1 | 2.63% | 1.98% | 37 lines × 2 typescript |
| paperless-ngx/paperless-ngxPython | 45.7K +57 | 1 | 1.8% | 15.55% | 58 lines × 2 python |
| yynxxxxx/Codex-XRust | 3.7K +50 | 1 | 2.4% | 3.18% | 11 lines × 5 rust |
| shy3130/tick-stock-panelPython | 5.2K +44 | 1 | 3.76% | 3.65% | 78 lines × 2 tsx |
| leejet/stable-diffusion.cppC++ | 7.3K +36 | 1 | 5.87% | 11.08% | 9 lines × 9 cpp-header |
| cloudflare/quicheRust | 12.4K +32 | 1 | 14.32% | 15.28% | 112 lines × 2 rust |
| anthropics/claude-code-actionTypeScript | 9.1K +31 | 1 | 3.51% | 7.58% | 69 lines × 2 typescript |
| actions/runner-imagesPowerShell | 13.3K +19 | 1 | 7.31% | 32.95% | 188 lines × 2 bash |