QTTabBar!

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.

XYplorer is a file manager for Windows. It features tabbed browsing, a powerful file search, a versatile preview, a highly customizable interface, optional dual pane, scripting engine, and a large array of unique ways to efficiently automate frequently recurring tasks. It’s fast, light, and portable.

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.

Q-Dir makes your files and folder easy to manage. Fast and easy access, with an amazing Quadro-View (4 panes) technique. You dont have to renounce the usual, Drag and Drop, all Views, and other functions of your system. No! Q-Dir gives you other nice functions, that make you happy. One can save many hand moves and also time!

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.

Explorer++ is a free file manager for Windows. Available on Windows XP and above, it features the same familiar interface as Windows Explorer, while introducing several enhancements and improvements for a much richer file browsing experience.

Ghost Commander is a file manager with two panels for the Android™ platform. Its development was inspired by the famous (Norton|Midnight|Total) Commander desktop applications, so if you are familiar with those great programs, you will find Ghost Commander a familiar and very convenient environment.

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.

trolCommander - fork of the free and opensource muCommander filemanager. trolCommander is a lightweight, cross-platform file manager with a dual-pane interface with tabbed navigation and rich functionality. It runs on any operating system with Java support. It supports multiple virtual systems - FTP, SFTP, SMB, NFS, HTTP, Amazon S3, Hadoop HDFS and Bonjour. muCommander can browse, create and uncompress ZIP, RAR, 7z, TAR, GZip, BZip2, ISO/NRG, AR/Deb and LST archives »

XtraFinder add tabs and extra features to the Finder.