Double Commander Portable 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. such as Unicode support,all operations working in background, Multi-rename tool, tabbed interface,custom columns, internal text editor (F4) with syntax highlighting, built in file viewer (F3) to view files of in hex, binary or text format, archives are handled like subdirectories. You can easily copy files to and from archives. Supported archive types: ZIP, TAR GZ, TGZ, LZMA and also BZ2, RPM, CPIO, DEB, RAR.It also provide extended search function with full text search in any files, configurable button bar to start external programs or internal menu commands.