Top Alternatives to SpaceFM

Double Commander is a free and open-source cross-platform file manager with a classic dual-panel interface. It provides essential file management operations alongside advanced features like batch renaming, folder synchronization, and built-in viewers and editors, making it a comprehensive tool for efficiently organizing and manipulating files across various operating systems.

File Explorer, previously known as Windows Explorer, is the default file manager application for Microsoft Windows, providing a foundational interface for accessing, organizing, and managing files and folders.

Midnight Commander is a powerful, console-based file manager offering a two-panel interface for efficient file handling. Licensed under the GNU GPL, it's a free software tool for managing files and performing operations like copying, moving, and deleting with ease.

Nautilus, also known as GNOME Files, is the official file manager for the GNOME desktop environment. It provides a user-friendly interface for managing files and folders, offering features like file preview, search, and network drive support.

Far Manager is a console-based file manager for Windows, offering a powerful dual-pane interface and extensive customization options. It supports keyboard shortcuts for efficient navigation and file operations, while its plugin architecture allows for significant expandability.

Thunar is a modern, lightweight, and fast file manager for the Xfce desktop environment and other Unix-like systems. Designed for simplicity and speed, it focuses on delivering a highly responsive file browsing experience directly out of the box, while remaining easily customizable through plugins.

Dolphin File Manager is a free and open-source file manager for Linux, developed by KDE. It prioritizes ease of use and simplicity while offering a variety of powerful features for efficient file management, including network protocol support and a configurable interface.

Krusader is a powerful, dual-pane file manager for Unix-like operating systems, offering extensive file management capabilities, including archive handling, FTP support, batch operations, and advanced customization options. It's designed for users who need an efficient and feature-rich alternative to standard file browsers.

Finder is the essential file management application and graphical user interface shell for macOS. It provides a user-friendly way to navigate, organize, and access files, folders, applications, and network resources on your Mac.

PCMan File Manager is a highly regarded, lightweight file manager designed for speed and efficiency. It is the default file manager for the LXDE desktop environment and offers a clean interface and essential file management functionalities with low resource consumption.

My Commander is a robust, free, and portable multi-tab file manager for Windows designed to streamline file management tasks through a tabbed interface, integrated search, and a suite of built-in utilities like file shredding and ISO creation.

GNOME Commander is a robust, open-source two-pane file manager designed for the GNOME desktop environment. It offers a familiar dual-panel interface inspired by iconic file managers, providing efficient navigation and file management tasks with extensive features for both casual users and power users.

Xfe is a lightweight and fast graphical file manager for the X Window System, providing essential file management operations with a focus on efficiency and customization.

Tux Commander is an open-source dual-pane file manager designed for Linux systems, primarily utilizing the GTK2 toolkit. It provides a robust set of tools for managing files and directories efficiently, including support for network protocols like FTP and SFTP. While the project is discontinued, it remains a functional option for users seeking a classic dual-pane interface and core file management capabilities.

Marlin is a modern, fast, and feature-rich file manager built with GTK3. It offers a sleek user interface with tabbed browsing, dual pane support, and extensibility through plugins, making file management efficient and customizable.