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License: gpl
Mostly written in PHP
License: apache_ish, BSD-3-Clause, gpl, lgpl
License: AGPL3_or_later
Mostly written in C
License: gpl3
License: lgpl
Mostly written in Java
License: AGPL3
Mostly written in Pascal
License: apache_2
Mostly written in C++
License: BSD-3-Clause
License: cc-by-3