Top Alternatives to Thunar

Total Commander is a Windows based file management program with the good plugin system.

FreeCommander is a freeware file manager with built-in FTP client, archive handling, multi-rename, wipe files and MD5 checksums.

Double Commander is a cross platform open source file manager with two panels side by side.

File Explorer, previously known as Windows Explorer, is a file manager application that is included with releases of the Microsoft Windows operating system.

Nautilus a next-generation file manager for GNOME, akin to KDE's Konqueror.

Midnight Commander is a visual file manager, licensed under GNU General Public License and therefore qualifies as Free Software.

Q-Dir (the Quad Explorer) makes your files and folder easy to manage, as an installed or portable Windows program.

Far Manager is a program for managing files and archives in Windows operating systems.

XYplorer is a file manager and Explorer replacement for Windows. It's fast, powerful, portable, dual paned, and multi-tabbed.

muCommander is a lightweight, open-source, cross-platform file manager that will run on any operating system supporting Java.

FireFTP is a free, open-source, cross-platform FTP client for Mozilla Firefox in the form of an add-on.

Dolphin is a lightweight file manager. It has been designed with ease of use and simplicity in mind, while still allowing flexibility and customization.

xplorer² (2xExplorer) is a dual-pane file manager for Microsoft Windows operating systems.

Krusader is an advanced orthodox file manager for KDE and other desktops in the Unix.

Explorer++ is a free and open-source navigational file manager for Microsoft Windows. It features multi-tabbed panes, bookmarks menu, and a customizable user interface. It can be configured to run portably or use the registry. It can also be set to replace Windows Explorer as the default file manager.

TotalFinder is a plugin for Finder.app which adds tabs like those in Google Chrome, dual panels similar to TotalCommander, and other improvements.

Unreal Commander is a freeware file manager for Windows.

Multi Commander is a multi-tabbed file manager and is an alternative to the standard Windows Explorer.

Finder is the default file manager and graphical user interface shell used on all Mac.

My Commander is a free multitab file manager for Windows.

Nomad.NET is a freeware orthodox file manager (OFM) for Microsoft Windows.

GNOME Commander is a two-panel graphical file manager for GNOME.

X File Explorer (Xfe) is a graphical file manager for the X Window System.

fman is a dual-pane file manager for Windows, macOS and Linux.

Tux Commander is an opensource GTK2 file manager.

Vifm is an ncurses based file manager.

Marlin is a sleek and fast GTK3 file manager.

Pantheon Files is a simple, powerful file manager from elementary.

Just Manager is a multi-tabbed multi-pane file manager for the Windows.