FileZilla is a free software, cross-platform FTP application, consisting of FileZilla Client and FileZilla Server. Client binaries are available for Windows, Linux, and Mac OS X, server binaries are available for Windows only. The client supports FTP, SFTP and FTPS (FTP over SSL/TLS). Support for SFTP (SSH File Transfer Protocol), which can be used to share folders over a network, is not implemented in FileZilla Server.