The LDOCE5 Viewer is an alternative dictionary viewer for the Longman Dictionary of Contemporary English 5th Edition (LDOCE 5).

It runs on macOS (Intel, arm), Linux and Microsoft Windows.

This software is free and open source software licensed under the terms of GPLv3.

change default python to python3:

cd /usr/bin/ &&
sudo rm python &&
sudo ln -s python3 python

sudo apt install python3-pip libqt6pdfquick6 libqt6quick3d6

sudo /usr/bin/pip3 install -r requirements.txt --break-system-packages

compile & install

make build
sudo make install