Nautilus a next-generation file manager for GNOME, akin to KDE's Konqueror. Developed by The GNOME Project
License: Open Source
File Explorer is a robust file management tool tightly integrated with Windows, offering advanced search and sharing features, while Nautilus is optimized for GNOME environments, providing a user-friendly interface with support for various file protocols. The choice between the two largely depends on the operating system and user preferences.