FileZilla is a full-featured FTP client with an easy-to-use GUI. It is written in C++ and uses the wxWidgets library. FileZilla includes the following features: Supports FTP, FTP over SSL/TLS (FTPS) and SSH File Transfer Protocol (SFTP) IPv6 support Available in more than 40 languages Supports resume and transfer of large files >4GB Easy to use Site Manager and transfer queue Bookmarks Drag & drop support Speed limits Filename filters Directory comparison Network configuration wizard Remote file editing Keep-alive HTTP/1.