FileZilla is a free and open source FTP, FTPS, and SFTP client software that allows s to transfer files between local and remote servers. It s drag and drop for easy file transfer, and has a built-in file manager for local and remote file operations. It also includes features such as bookmarking, directory comparison, and remote file search. Additionally, FileZilla has a customizable interface and can be used on multiple platforms including Windows, Linux, and macOS.