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Free/Libre/Open Source Software: Survey and Study

16. In which tools and programming languages are you experienced in?
C 2066 86.52%
C++ 1552 64.99%
Objective C 122 5.11%
Java 1221 51.13%
Python 606 25.38%
Perl 1321 55.32%
PHP 1128 47.24%
Unix shell 1860 77.89%
HTML 2026 84.84%
LISP 413 17.29%
(La)Tex 1002 41.96%
Pascal 996 41.71%
Fortran 307 12.86%
Basic 844 35.34%
Visual Basic 514 21.52%
JavaScript 821 34.38%
SQL 1482 62.06%
ADA 134 5.61%
Modula 139 5.82%
Eiffel 61 2.55%
Prolog 302 12.65%
XML / SGML 1067 44.68%
Ruby 119 4.98%
Smalltalk 114 4.77%
Tcl 361 15.12%
Make 1316 55.11%
Scheme 272 11.39%
CVS 1447 60.59%
     

2388 answers from 2640 insertions (90.45%)

Read the final report for the FLOSS project.

You may also read the Stallman-Ghosh-Glott mail exchange and the Tiemann-Ghosh mail exchange on the FLOSS survey

This questionnaire is part of the FLOSS study (http://www.infonomics.nl/FLOSS/),
for any details regarding it, please use this contact e-mail address.

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