The best open source alternative to Double Commander is Files. If that doesn't suit you, our users have ranked more than 100 alternatives to Double Commander and loads of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Double Commander are Spacedrive, Dolphin File Manager, Midnight Commander and GNOME Files.
Advanced Windows file manager offers tabbed browsing, dual-pane drag-and-drop, column navigation, built-in archive creation and extraction, file tagging, QuickLook previews, context menu integration, quick search, and customizable appearance for streamlined organization.
Files is the most popular Open Source alternative to Double Commander.
Organize files across many devices in one place. From cloud services to offline hard drives, Spacedrive combines the storage capacity and processing power of your devices into one personal distributed cloud, that is both secure and intuitive to use.
Spacedrive is the most popular Mac & Linux alternative to Double Commander.
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.
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...
GNOME Files, formerly known as Nautilus, is the official file manager for the GNOME desktop, giving the user a simple way to navigate and manage its files.
Nautilus is not a two-panel file manager. So not an alternative to Double Commander.
Some users think GNOME Files is a great Double Commander alternative, some don't.
Thunar is a modern file manager for the Xfce Desktop Environment. Thunar has been designed from the ground up to be fast and easy-to-use. Its user interface is clean, intuitive, and customizable. Thunar is fast and responsive with a good start up time and directory load time.
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.
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:
It actually looks like the original Norton Commander.
Most users think Far Manager is a great Double Commander alternative.
Krusader is an advanced twin panel (commander style) file manager for KDE Plasma and other desktops in the *nix world.
Krusader is free/libre software and has tons of features for advanced users.
Almost everyone thinks Krusader is a great Double Commander alternative.
muCommander is a lightweight, cross-platform file manager with a dual-pane interface. It runs on any operating system with Java support (Mac OS X, Windows, Linux, *BSD, Solaris...).
it has awsome key shortcuts
Almost everyone thinks muCommander is a great Double Commander alternative.
muCommander is the most popular Web-based alternative to Double Commander.
Terminal file manager with VI key bindings. It provides a minimalistic and nice curses interface with a view on the directory hierarchy. The secondary task of ranger is to psychically guess which program you want to use for opening particular files.
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Double-pane is not Files primary mode, but it does support it. Files has a lot less functionality and no focus on keyboard use-/accessibility.