FileZilla is an open-source FTP (File Transfer Protocol) client that enables users to transfer files between their local computer and remote servers. It supports FTP, FTPS, and SFTP protocols, providing a user-friendly interface suitable for both beginners and advanced users. FileZilla is available for multiple platforms, including Windows, macOS, and Linux, and is known for its reliability, speed, and extensive features such as site management, drag-and-drop support, and file synchronization. For more information, visit their official website at https://filezilla-project.org/.