Double Commander is a powerful file manager with a portable and open source interface that is laden with a plethora of functions and file managing capabilities. First it features a dual pane window, very similar to its analog Total Commander, for convenient file navigation and easy side by side directory comparison. It also supports Unicode and accepts plugins from other file managers. It can operate in the background and supports batch file renaming options. All in all the program is a very convenient file management tool for advanced users looking for multitasking and speedy access to files.