Commander One!

7-Zip uses its own 7z archive format, but can read and write several other archive formats. The program can be used from a command-line interface, graphical user interface, or with a window-based shell integration. 7-Zip began in 1999 and is developed by Igor Pavlov. The cross-platform version of the command-line utility, p7zip, is also available.

Double Commander 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.

Cyberduck is an open source FTP client.

FreeCommander is an easy-to-use alternative to the standard windows file manager. The program helps you with daily work in Windows. Here you can find all the necessary functions to manage your data stock. You can take FreeCommander anywhere – just copy the installation directory on a CD or USB-Stick – and you can evenwork with this program on a foreign computer.

GNU Midnight Commander is a visual file manager, licensed under GNU General Public License and therefore qualifies as Free Software. Its a feature rich full-screen text mode application that allows you to copy, move and delete files and whole directory trees, search for files and run commands in the subshell. Internal viewer and editor are included.

The Unarchiver is a much more capable replacement for "BOMArchiveHelper.app", the built-in archive unpacker program in Mac OS X. The Unarchiver is designed to handle many more formats than BOMArchiveHelper, and to better fit in with the design of the Finder. It can also handle filenames in foreign character sets, created with non-English versions of other operating systems. Supported file formats include zip, tar, gzip, bzip2, rar, 7zip, LhA, StuffIt and many other more or less obscure formats. Support for so many formats is achieved by using the libxad unarchiving library. »

Directory Opus provides a complete replacement for Explorer with far more power and functionality than any other file manager available today.Just some of the features include: Single or dual pane file display and treesFolder tabs let you keep multiple folders open and switch quickly between themQuickly filter, sort, group and search your foldersSupport for FTP, Zip, 7Zip, RAR and many other archive formatsViewer pane lets you preview images, documents and moreBatch renaming, view and edit file metadataBuilt-in tools including synchronize and duplicate file finderCalculate folder sizes and print or export folder listingsQueue multiple file copies for improved performanceSupport for CD/DVD burningFull support for Windows 7 features like indexed search and jumplistsColor-code your files and folders or assign star ratingsFully configurable user interface - toolbars, keyboard hotkeys and much more can be tailored to suit your needsEfficient, multi-threaded, modern designMuch much more! »

Dolphin is a file manager for KDE focusing on usability. Has three view modes: Icon, Detail and it used to have Column View like in Finder (it is not available in current version due to problems with maintaibility). Supports FTP, SCP and other protocols. Highly configurable.

Multi Commander has a lot of file manager features. This list It is not even close to complete. There are so many features and tweaks in Multi Commander that not everything can be listed here.

Far Manager is a program for managing files and archives in Windows operating systems. Far Manager works in text mode and provides a simple and intuitive interface for performing most of the necessary actions:

One Commander (previously bitCommander) is a Windows file manager (Windows 7, 8 and 10) with improved Miller Columns (OSX Finder's column view) and two-panel support. It simplifies file management with intelligent file representation, relative file dates (shown as days since creation), ToDo notes in any folder, batch file processing without interrupting for copying errors, and much more.Windows Store version: https://www.microsoft.com/store/apps/9NBLGGH4S79B

muCommander is a cross-platform file manager that will run on any operating system which supports Java. It features a Norton Commander style interface to allow easy manipulation of files with many keyboard shortcuts. Pre-compiled builds are available for Mac OS X, Windows, Linux, Solaris, *BSD, etc.