Those are just clones of the exact same app. If you look at graphical FTP and SFTP clients - many of them use this basic layout. Also, one could also mention "

Those are just clones of the exact same app. If you look at graphical FTP and SFTP clients - many of them use this basic layout. Also, one could also mention "Windows Commander" which is a non-FOSS NC-like program (for Windows).