Binary package “doublecmd-qt” in ubuntu focal

twin-panel (commander-style) file manager (Qt5)

 Double Commander is a cross platform open source file manager
 with two panels side by side. It is inspired by Total Commander
 and features some new ideas.
 .
 Support for RAR archives can be enabled by installing the
 libunrar5 package from non-free.
 .
 This package contains the Qt5 user interface.