QRQ - yet another CW trainer (Linux, Unix, OS X, Windows)
qrq is an open source Morse telegraphy trainer which runs on several operating systems (Linux, Unix, OS X and Windows), similar to the classic DOS version of Rufz by DL4MM.
Snaps are applications packaged with all their dependencies to run on all popular Linux distributions from a single build. They update automatically and roll back gracefully.
Snaps are discoverable and installable from the Snap Store, an app store with an audience of millions.
Enable snapd
Snap can be installed on Fedora from the command line:
sudo dnf install snapd
Either log out and back in again, or restart your system, to ensure snap’s paths are updated correctly.
To enable classic snap support, enter the following to create a symbolic link between /var/lib/snapd/snap and /snap: