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Trending Repos, Analyzed

Every day a GitHub Actions pipeline takes the day's GitHub trending repositories and runs jscpd on each one twice: over every file, and over the code alone, without tests, docs, data, vendored and generated files. The code number is the one worth comparing. The all-files number mostly says how much copied or generated material a repository carries.

Nov 6Nov 8

November 7, 2026 · 11 repos · median 5.37% duplicated code · 3 views · jump to latest

Repositories

Ranked as on GitHub trending that day. Open a repository for the largest duplicated blocks with the code, every day it trended, and the per-format breakdown.

1NVIDIA/auto-ontologyAuto Ontology is a Python framework for building semantic, graph-based reasoning layers over data. It enables deterministic query generation, better context retrieval, and more explainable AI for LLM and agent workflows.Python★ 9,263+2,015 today599 code files of 8853 generated skipped2.12%duplicated code14.28% over all files2rails/railsRuby on RailsRuby★ 59,049+142 today1,379 code files of 3,4935 generated skipped2.65%duplicated code3.72% over all files3mpv-player/mpv🎥 Command line media playerC★ 37,919+37 today658 code files of 7564.95%duplicated code7.13% over all files4symfony/symfonyThe Symfony PHP frameworkPHP★ 31,467+128 today12,252 code files of 13,84890 generated skipped21.59%duplicated code21.73% over all files5prometheus/prometheusThe Prometheus monitoring system and time series database.Go★ 67,227+148 today592 code files of 1,2519 generated skipped6.46%duplicated code16.71% over all files6google/skillsAgent Skills for Google products and technologiesPython★ 22,922+534 today161 code files of 2,0778.04%duplicated code11.56% over all files7lz4/lz4Extremely Fast Compression algorithmC★ 12,643+315 today50 code files of 1564.76%duplicated code5.51% over all files8nushell/nushellA new type of shellRust★ 41,012+131 today1,534 code files of 2,07012.05%duplicated code11.6% over all files9etcd-io/etcdDistributed reliable key-value store for the most critical data of a distributed systemGo★ 52,634+128 today539 code files of 1,22918 generated skipped1.26%duplicated code7.77% over all files10cloudflare/security-audit-skillA coding-agent skill for multi-phase security audits with independently verified, machine-readable findingsJavaScript★ 64,348+2,548 today38 files8.19%duplicated, all files28 clones11astral-sh/ruffAn extremely fast Python linter and code formatter, written in Rust.Rust★ 50,738+169 today2,110 code files of 5,0983 generated skipped5.79%duplicated code6.97% over all files
Statistics for the day6.4M lines · 65,747 clones · 12.98% duplicated over all files
11repos analyzed10 with a code-only scan
30.9Kfiles scanned19.9K count as code
6.4Mlines scanned
65.7Kclones found49.5K in code
5.37%median code duplicationall files 8.19%
128generated files skipped
Most duplicated codesymfony/symfony21.59%Cleanest codeetcd-io/etcd1.26%Most clones, all filessymfony/symfony41,236

Day by day

Median code duplication per analysis day · click a day to open it

0%5%10%15%Sep 10Sep 18Sep 26Oct 4Oct 12Oct 20Oct 28Nov 7
Show as table
DayReposMedian, all filesMedian, codeClonesDuplicated lines
Nov 8, 2026109.89%6.38%28,677461,199
Nov 7, 2026118.19%5.37%65,747835,345
Nov 6, 2026126.71%2.02%13,840250,692
Nov 5, 2026107.33%1.6%13,956302,810
Nov 4, 202677.25%2.65%9,464160,712
Nov 3, 202686.99%3.75%11,488187,022
Nov 2, 202696.7%4.47%16,128640,799
Nov 1, 202656%3.9%13,019203,107
Oct 31, 202684.31%1.83%9,211474,390
Oct 30, 202653.5%1.83%9,797474,202
Oct 29, 202683.14%1.32%6,42983,141
Oct 28, 202665.9%1.89%6,92298,524
Oct 27, 2026103.97%2.18%6,55697,537
Oct 26, 202672.84%1.44%2,31227,789
Oct 25, 202678.34%2.97%16,895380,732
Oct 24, 202665.96%5.57%8,137113,387
Oct 23, 202658.19%3.42%6,477193,562
Oct 22, 2026612.3%5.85%14,101328,054
Oct 21, 2026611.52%3.13%9,682274,792
Oct 20, 202687.24%6.87%14,721309,372
Oct 19, 2026812.24%8.46%12,937276,718
Oct 18, 2026612.33%6.41%15,227305,817
Oct 17, 2026616.15%12.08%10,664260,197
Oct 16, 202647.33%2.13%19,644308,812
Oct 15, 2026712.67%5.74%23,534394,152
Oct 14, 202656.76%1.88%16,046219,807
Oct 13, 202648.75%2.68%12,341160,087
Oct 12, 2026310.62%2.94%13,678166,765
Oct 11, 202653.81%1.72%8,174112,950
Oct 10, 202675.27%2.32%5,44573,307
Oct 9, 202653.7%2.09%4,93571,038
Oct 8, 202677.47%3.7%4,71786,914
Oct 7, 202669.74%3.8%4,83695,185
Oct 6, 202685.55%2.71%5,894376,690
Oct 5, 202675.56%2.71%5,709118,439
Oct 4, 202685.15%2.75%14,002865,485
Oct 3, 2026910.23%4.4%25,737758,964
Oct 2, 2026108.88%4.41%35,989907,468
Oct 1, 20261010.07%8.22%46,691742,035
Sep 30, 20261110.45%4.47%59,6821,317,798
Sep 29, 2026711.11%4.47%37,358655,253
Sep 28, 2026710.67%4.65%38,450594,679
Sep 27, 2026711.19%6.75%38,095585,324
Sep 26, 20261111.2%7.48%43,7691,072,451
Sep 25, 20261111.08%5.87%24,548454,230
Sep 24, 20261212.91%6.95%79,2222,030,643
Sep 23, 2026710.47%5.65%17,170290,867
Sep 22, 2026108.62%5.66%30,117641,984
Sep 21, 2026109.82%5.64%28,399679,161
Sep 20, 2026123.5%3.24%8,058201,286
Sep 19, 2026124.79%2.54%20,843275,120
Sep 18, 2026124.42%3.08%10,789160,183
Sep 17, 2026124.03%2.4%11,566175,956
Sep 16, 202695.77%3.76%11,614197,370
Sep 15, 2026125.23%1.99%10,041179,479
Sep 14, 2026126.35%4.1%22,277338,274
Sep 13, 2026125.95%5.76%19,655285,085
Sep 12, 2026125.93%4.4%13,078204,637
Sep 11, 2026126.51%5.33%10,869160,918
Sep 10, 2026105.58%2.92%9,716308,307
Sep 9, 2026108.07%4.47%5,343255,458
Sep 8, 202696.33%6.21%8,260124,115
Sep 7, 202694.53%2.77%12,573168,556
Sep 6, 2026104.2%2.89%2,92455,313
Sep 5, 2026107.2%4.57%15,328246,285
Sep 4, 2026103.8%3.37%8,361139,134
Sep 3, 2026127.15%2.24%27,705654,527
Sep 2, 2026113.22%5.01%9,942175,642
Sep 1, 2026123.2%4.62%11,111190,384
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