FileZilla is a multi-platform FTP program. The suite includes an easy-to-use client, which is similar to other popular FTP programs like WS-FTP or Cute-FTP, and a Windows-only server. The client supports various flavors of FTP and SCP, including FTP over SSL/TLS (FTPS) and SSH File Transfer Protocol (SFTP). The client also features IPv6 support, support for resuming and transferring files larger than 4GB, a tabbed user interface, a powerful site manager and transfer queue, bookmarks, drag and drop support, configurable transfer speed limits, filename filters, directory comparison, a network configuration wizard, remote file editing, keep-alive, HTTP/1.1, SOCKS5, and FTP-Proxy support, logging to a file, synchronized directory browsing, and remote file search.