A file manager that also renders the desktop. A key component of helloSystem.
Minimalistic simplicity, see hello for the background
On Alpine Linux:
apk add --no-cache qt5-qtbase-dev kwindowsystem-dev qt5-qttools-dev kdbusaddons-dev baloo-dev xcb-util-wm-dev libdbusmenu-qt-dev git cmake musl-dev alpine-sdk clang qt5-qtmultimedia-dev libfm-dev libfm-extra-dev menu-cache-dev
Not all of the above may actually be required.
mkdir build
cd build
cmake ..
make
sudo make install