My Commander is described as '(MyCO) is "the smallest - smartest - fastest file manager in the world", for Windows. Small and smart, MyCO uses less of your computer's memory while it's running' and is an app in the File Management category. There are more than 100 alternatives to My Commander for a variety of platforms, including Windows, Linux, Mac, PortableApps.com and Xfce. The best alternative is FileZilla, which is both free and Open Source. Other great apps like My Commander are Double Commander (Free, Open Source), WinSCP (Free, Open Source), Total Commander (Freemium) and Cyberduck (Free, Open Source).
The Finder is the first thing that you see when your Mac finishes starting up. It opens automatically and stays open as you use other apps. It includes the Finder menu bar at the top of the screen and the desktop below that.
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.
SpaceFM is a multi-panel tabbed file and desktop manager for Linux with built-in VFS, udev- or HAL-based device manager, customisable menu system, and bash integration. SpaceFM aims to provide a stable, capable file manager with significant customisation capabilities.