Double Commander — is a cross-platform file manager with two panels side by side. It is inspired by Total Commander and features some new ideas. Double Commander is absolutely free and is distributed with open source (GNU GPL v2).
Some features of Double Commander:
all operations work in the background with threading operations support
tabbed panels interface
custom toolbar with buttons to launch external programs or internal menu commands
multi-rename tool
customizable columns
built-in file viewer (F3) to view files of ANY SIZE in hexadecimal, binary or text format
built-in text editor (F4) with syntax highlighting
archives are handled like subdirectories. You can easily copy files to and from the archive. Supports following types: ZIP, TAR GZ, TGZ, BZ2, RPM, CPIO, DEB, RAR
extended search function with full text search in any files
supports WCX, WLX, WDX and WFX plugins from Total Commander (also supports own DSX plugin format)
operations log
and more...
Appearance
Note: the project is under heavy development now, so information presented in this document may be incomplete or irrelevant.