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Mostly written in C++
License: gpl
Mostly written in Perl
License: BSD-3-Clause, lgpl
Mostly written in JavaScript
Mostly written in PHP
License: gpl3_or_later
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License: Unknown
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License: GNU-GPLv2, lgpl-2_0
Mostly written in Postscript
Mostly written in C
Mostly written in Java
License: Creative_Commons_AttributionShareAlike_2_5-deleted, gpl, lgpl
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License: isc, mozilla_public_2_0
License: BSD-3-Clause, gpl, gpl3
Mostly written in shell script
License: BSD-3-Clause
License: lgpl21_or_later