Sunflower!

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.

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.

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.

Commander One is dual-pane file manager for OS X created in Swift, which enables you to manage your files in the best possible way.

Advanced twin panel (commander style) file manager for KDE and other desktops in the *nix world, similar to Midnight or Total Commander. It provides all the file management features you could possibly want: extensive archive handling, mounted filesystem support, FTP, advanced search module, an internal viewer/editor, directory synchronisation, file content comparisons, powerful batch renaming and much much more.

Brings features from Sublime Text to the file manager niche.

Very powerfull two-panel interface commander. Unreal Commander has UNICODE support, Extended search of files, Multi-rename tool, Synchronization of directories, Support of archives ZIP, RAR, ACE, CAB, JAR, TAR, LHA, GZ, TGZ , Built-in FTP client, Folder tabs, Support of WLX-plugins and WCX-plugins, Build-in viewer and quick view function, Network support, Drag and Drop Support, History and Hotlist functions, ?opy/move/delete files background mode support, Deleting files with WIPE, Background pictures support and a lot of more. »

Vifm is a ncurses based file manager with vi like keybindings. If you use vi, vifm gives you complete keyboard control over your files without having to learn a new set of commands.

FenrirFS is a file management software where you can easily view everything in 3 different modes and manage any kind of file using labels. This software is full of original functions, such as being able to preview files without opening them, and being able synchronize folders automatically.

Tux Commander is a windowed file manager with 2 panels side by side similar to popular Total Commander or Midnight Commander file managers. The main goal of this project is to create powerful and user friendly file manager for Unix operating systems.

Saladin is an open source dual-pane file manager for Windows which merges the capabilities of File Explorer with the well known and easy to use orthodox user interface. Saladin supports both 32-bit and 64-bit versions of Windows Vista, Windows 7 and Windows Server 2008.