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License: Unknown
License: BSD-3-Clause
Mostly written in C++
License: gpl
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Mostly written in Postscript
Mostly written in Python
License: apache_2
Mostly written in Perl
License: GFDL-1-3, gpl
License: GNU-GPLv2, lgpv3_or_later
License: apache_2, lgpl
Mostly written in C
License: gpl, lgpl21_or_later
License: gpl3
License: academic, gpl, lgpl
License: academic, gpl
License: libpng
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License: gpl3_or_later, lgpl21_or_later