Week 40, 2026
Sep 28 – Oct 4. 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.
33repositories7 analysis days
4.28%median code duplication29 repos with a code-only scan
279generated files skipped
8.63%median duplication, all files
102.1Kclones found38.5K 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 |
|---|---|---|---|---|---|
| debpalash/VoiceStudioPython | 50.7K +4,758 | 4 | 1.87% | 7.31% | 144 lines × 2 python |
| paperclipai/paperclipTypeScript | 94.7K +3,197 | 3 | 6.66% | 11.04% | 1048 lines × 2 tsx |
| NVIDIA/OpenShellRust | 14.5K +2,456 | 4 | 11.06% | 12.18% | 380 lines × 2 rust |
| Panniantong/Agent-ReachPython | 90.1K +1,696 | 2 | 0.89% | 2.92% | 18 lines × 2 bash |
| t8y2/dbxRust | 23.4K +1,138 | 2 | 7.01% | 8.63% | 20 lines × 15 go |
| dream-num/univerTypeScript | 22K +1,099 | 3 | 8.19% | 13.28% | 371 lines × 2 tsx |
| byoungd/upJavaScript | 66.5K +743 | 2 | 0.91% | 3.64% | 8 lines × 2 javascript |
| mvschwarz/openrigTypeScript | 4.4K +737 | 6 | 4.4% | 10.23% | 533 lines × 2 typescript |
| pbakaus/impeccableJavaScript | 75.6K +722 | 3 | 64.41% | 63.8% | 13499 lines × 21 javascript |
| pablostanley/yoinksTypeScript | 3.6K +623 | 2 | 0.26% | 0.43% | 7 lines × 2 tsx |
| cs341-illinois/coursebookTeX | 3.2K +572 | 2 | 1.6% | 58.84% | 18 lines × 2 python |
| oblien/openshipTypeScript | 14K +437 | 1 | 2.07% | 29.8% | 1783 lines × 2 tsx |
| earendil-works/piTypeScript | 112.3K +408 | 2 | 3.35% | 7.38% | 655 lines × 2 typescript |
| HunxByts/GhostTrackPython | 16.5K +368 | 1 | — | 0% | none |
| Effect-TS/effectTypeScript | 16.9K +302 | 2 | 8.75% | 13.79% | 9 lines × 91 typescript |
| NawfalMotii79/PLFM_RADARPLSQL | 26.5K +263 | 2 | 10.08% | 14.37% | 26 lines × 9 c |
| addyosmani/agent-skillsJavaScript | 100.9K +252 | 1 | 4.51% | 2.36% | 12 lines × 3 bash |
| InfinityLoop1308/PipePipeShell | 6.7K +242 | 1 | — | 5.05% | 22 lines × 2 docs and examples |
| Friedrich-M/UniMatePython | 1.1K +217 | 1 | 4.06% | 5.24% | 33 lines × 2 python |
| jamwithai/production-agentic-rag-coursePython | 9.5K +193 | 1 | 0.69% | 0.76% | 16 lines × 2 python |
| cursor/pluginsTypeScript | 9.5K +163 | 2 | 0.82% | 3.27% | 12 lines × 3 typescript |
| tile-ai/tilelangPython | 8.2K +163 | 1 | 10.82% | 15% | 21 lines × 21 cpp |
| anthropics/claude-codeTypeScript | 149.3K +128 | 1 | 1.21% | 1.3% | 28 lines × 2 python |
| ComposioHQ/awesome-claude-skillsPython | 76.2K +123 | 1 | 13.3% | 52.54% | 951 lines × 2 python |
| colbymchenry/codegraphC | 73K +118 | 2 | 9.27% | 9.61% | 286 lines × 3 c-header |
| averygan/reclipHTML | 10.3K +113 | 1 | — | 0.38% | 7 lines × 2 python |
| firebase/firebase-ios-sdkC++ | 6.9K +112 | 2 | 15.28% | 26.53% | 17 lines × 261 c-header |
| vercel-labs/scriptcTypeScript | 5.5K +102 | 1 | 4.32% | 6.46% | 7 lines × 23 typescript |
| cloudflare/cloudflare-osTypeScript | 10.7K +85 | 1 | 2.15% | 44.52% | 48 lines × 2 typescript |
| willfaust/MadeiraC | 1.1K +83 | 2 | 4.28% | 9.09% | 47 lines × 7 c |
| modelcontextprotocol/serversTypeScript | 90.9K +50 | 1 | 2.78% | 6.42% | 14 lines × 4 typescript |
| google/skillsPython | 20.8K +39 | 1 | 4.01% | 10.4% | 268 lines × 2 bash |
| rakyll/heyGo | 20.5K +34 | 1 | — | 0.53% | 12 lines × 2 tests |