Install geany-plugin-pg by entering the following commands in the terminal:
sudo apt update sudo apt install geany-plugin-pg
Description:
pg plugin for Geany
GeanyPG is a plugin for Geany that allows the user to encrypt, decrypt and verify signatures with GnuPG. . Geany is a small and lightweight integrated development environment using the Gtk+ toolkit.
Homepage: http://plugins.geany.org
Version: 1.32+dfsg-3
Section: universe/devel