Cyberduck is an open source client for FTP and SFTP, WebDAV, and cloud storage. Developed by iterate GmbH
License: Open Source
FireFTP is a lightweight, free FTP add-on for Firefox that is ideal for basic file transfer needs, while Cyberduck is a more robust, cross-platform application that supports a variety of protocols and cloud integrations, making it suitable for advanced users and larger file management tasks.