| Language | Experience | Median Monthly Commits | Median Monthly Lines Changed | Total Commits | Total Lines Changed | Comment Ratio | |
|---|---|---|---|---|---|---|---|
| Make | 6y 10m | 95 | 3,027 | 9,360 | 477,200 | 13.5% | |
| shell script | 6y 6m | 12 | 770 | 1,014 | 527,703 | 16.1% | |
| C | 6y 5m | 36 | 15,755 | 3,183 | 10,630,855 | 21.4% | |
| C++ | 5y 10m | 6 | 347 | 589 | 502,286 | 30.0% | |
| Perl | 5y 7m | 3 | 205 | 239 | 1,015,213 | 28.9% | |
| HTML | 5y 1m | 4 | 241 | 442 | 302,436 | 4.8% | |
| Autoconf | 4y 7m | 2 | 949 | 158 | 1,614,667 | 0.8% | |
| Java | 4y 5m | 6 | 227 | 410 | 58,790 | 27.1% | |
| CSS | 4y 4m | 2 | 15 | 223 | 175,662 | 1.8% | |
| XML | 4y 3m | 2 | 127 | 130 | 104,747 | 1.4% | |
| JavaScript | 4y 2m | 3 | 23 | 245 | 1,095,120 | 19.7% | |
| Python | 3y 4m | 1 | 48 | 71 | 18,205 | 15.8% | |
| Assembly | 3y 2m | 2 | 292 | 103 | 154,813 | 24.8% | |
| Modula-2 | 2y 2m | 1 | 19 | 36 | 34,460 | 8.2% | |
| Objective-C | 1y 8m | 1 | 46 | 37 | 2,960 | 21.0% | |
| CMake | 1y 7m | 1 | 42 | 33 | 3,541 | 17.5% | |
| Octave | 1y 5m | 1 | 19 | 29 | 3,420 | 43.9% | |
| Automake | 1y 5m | 1 | 120 | 28 | 14,289 | 9.3% | |
| C# | 1y 2m | 1 | 287 | 22 | 7,335 | 19.9% | |
| AWK | 1y 2m | 1 | 254 | 21 | 8,789 | 22.7% | |
| Tcl | 1y 1m | 1 | 1 | 19 | 4,775 | 17.4% | |
| TeX/LaTeX | 1y 0m | 1 | 2,880 | 13 | 44,161 | 35.7% | |
| XSL Transformation | 11m | 1 | 205 | 18 | 6,095 | 15.9% | |
| Ruby | 11m | 1 | 20 | 14 | 1,664 | 7.5% | |
| DOS batch script | 10m | 1 | 16 | 14 | 2,108 | 19.3% | |
| SQL | 10m | 1 | 54 | 13 | 6,448 | 6.0% | |
| DCL | 8m | 1 | 672 | 12 | 9,872 | 42.5% | |
| PHP | 8m | 1 | 552 | 11 | 13,170 | 35.1% | |
| Scheme | 8m | 1 | 68 | 8 | 1,544 | 11.5% | |
| Emacs Lisp | 7m | 1 | 47 | 9 | 8,437 | 25.2% | |
| D | 7m | 1 | 16 | 8 | 16,566 | 64.2% | |
| IDL/PV-WAVE/GDL | 6m | 1 | 20 | 7 | 155 | 0.0% | |
| Pascal | 4m | 2 | 546 | 6 | 2,160 | 12.0% | |
| eC | 4m | 1 | 15 | 5 | 137 | 0.0% | |
| Visual Basic | 3m | 1 | 241 | 4 | 906 | 26.3% | |
| ActionScript | 3m | 1 | 44 | 4 | 484 | 28.9% | |
| Fortran (Free-format) | 3m | 1 | 152 | 4 | 454 | 6.5% | |
| Vim Script | 2m | 2 | 204 | 3 | 408 | 52.4% | |
| Ada | 2m | 1 | 1,681 | 2 | 3,362 | 25.0% | |
| Fortran (Fixed-format) | 2m | 1 | 369 | 2 | 738 | 1.3% | |
| R | 2m | 1 | 127 | 2 | 254 | 0.0% | |
| Modula-3 | 2m | 1 | 23 | 2 | 45 | - | |
| OpenGL Shading | 2m | 1 | 16 | 2 | 32 | - | |
| Limbo | 1m | 1 | 462 | 1 | 462 | 0.0% | |
| Stratego | 1m | 1 | 256 | 1 | 256 | 0.0% | |
| Puppet | 1m | 1 | 187 | 1 | 187 | 13.0% | |
| Structured Basic | 1m | 1 | 172 | 1 | 172 | 0.0% | |
| Classic Basic | 1m | 1 | 47 | 1 | 47 | - | |
| Haskell | 1m | 1 | 22 | 1 | 22 | - | |
| All Languages | 7y 9m | 163 | 16,960 | 15,063 | 16,877,612 | 19.9% |
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