https://code-industry.ru/free-pdf-editor/
https://code-industry.net/free-pdf-editor/
$ sudo apt install libqt5printsupport5
$ sudo dpkg -i master-pdf-editor-5.1.42-1_qt5.amd64.deb
Что нового в Master PDF editor
https://code-industry.ru/what-is-new-in-master-pdf-editor-5/
