Directory Opus is described as 'provides a complete replacement for Explorer with far more power and functionality than any other file manager available today' and is a well-known app in the File Management category. There are more than 50 alternatives to Directory Opus for a variety of platforms, including Windows, Mac, Linux, Android and Online / Web-based. The best alternative is Double Commander, which is both free and Open Source. Other great apps like Directory Opus are Total Commander (Freemium), Midnight Commander (Free, Open Source), FreeCommander (Freemium) and XYplorer (Paid).
Meet Files, an enthusiast take on what Windows File Explorer explorer should be. Files is the modern file manager you always wanted. It's packed with features such as fluent design, tabs, layout modes, and much more.
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.