TrustedQSL is a free and open source amateur radio QSL application for Linux, Windows and MacOS. Using TrustedQSL, you can digitally sign amateur radio QSO records. tQSL adds a third party authentication protocol that replaces the central server as the trusted authenticator. It is released under BSD 4-Clause “Original” or “Old” License.
How to Install TrustedQSL on Ubuntu
TrustedQSL is available as a flatpak package file from the remote flathub. If you don’t have, then install flatpak and flathub on your system first using below two commands and restart it after the installation.
sudo apt install flatpak
flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo
After that open the terminal application (ctrl+alt+t) and run below TrustedQSL flatpak install command.
flatpak install flathub org.arrl.trustedqsl
You can open it using below command.
flatpak run org.arrl.trustedqsl
And uninstall TrustedQSL using below commands.
flatpak uninstall org.arrl.trustedqsl
sudo flatpak uninstall org.arrl.trustedqsl