Nimble Commander Alternatives for Mac OS X

Cyberduck is a free, open-source client for file transfer, supporting FTP, SFTP, WebDAV, and major cloud storage services. It provides a user-friendly interface for managing files on servers and in the cloud.

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.

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.

Commander One is a powerful and versatile dual-pane file manager for macOS, engineered entirely in Swift. It offers a comprehensive suite of features for efficient file management, including FTP/SFTP/FTPS client, cloud service integration, a built-in terminal, and robust search capabilities, enhancing productivity for both novice and advanced users.

Transmit is a highly-regarded file transfer client developed by Panic for macOS. It supports a wide range of protocols including FTP, SFTP, Amazon S3, and WebDAV, offering a robust and user-friendly interface for managing files on remote servers.

muCommander is a versatile, open-source file manager designed for productivity across various operating systems. It offers a dual-pane interface for efficient file operations, built-in support for network protocols like FTP and SSH, and extensive customization options, making it a powerful tool for both casual users and power users who need advanced file management capabilities.

TotalFinder is a powerful macOS plugin that enhances the standard Finder application with essential features like tabbed browsing, dual panel view, and various productivity-boosting improvements for efficient file management.

ForkLift is a powerful and versatile file manager and transfer client for macOS. It seamlessly handles a wide range of connections including FTP, SFTP, WebDAV, Amazon S3, and even Bluetooth. With its dual-pane interface and robust feature set, ForkLift simplifies file management, synchronization, and batch operations.

XtraFinder is a powerful customization tool for macOS Finder, designed to enhance file management with features like tabs, dual panels, and extensive customization options to streamline your workflow.

Path Finder reimagines the macOS file browsing experience, offering a powerful and highly customizable alternative to the default Finder. It provides a dual-pane interface, extensive file management tools, advanced search capabilities, and deep integration with macOS features for enhanced productivity.

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.

fman is a powerful, dual-pane file manager designed for speed and efficiency across Windows, macOS, and Linux. It offers a clean interface, robust search capabilities, extensive keyboard shortcut support, and a flexible plugin system for enhanced functionality.