From Andrzej Stefanczyk:
Master Commander is a file manager, which is the replacement for Windows Explorer. A convenient dual-panel view and additional features allow you to perform a series of shorter file operations. It features files are displayed in two independent panels as a list or a tree, built in archive handling, text editor with syntax highlighting for many programming languages, binary hex editor allows you to modify the files of any size, supports the fundamental operations on files and folders, list of favorite folders, simple command line, tool to synchronize folders, tool to download files from the Web, built in FTP client, and electronic signature file.
What's new in this version:
Version 1.0.1 added simple scipt language (for main file operations) and tabs can be closed by middle mouse button.