Flatpak for Apache NetBeans (https://netbeans.apache.org/)
flatpak-builder --repo=repo flatpakbuildir org.apache.netbeans.yaml --force-clean
flatpak remote-add --user mynetbeans repo
flatpak install --user mynetbeans org.apache.netbeans
flatpak run org.apache.netbeans
flatpak uninstall --user org.apache.netbeans