FileZilla is an open source and free FTP/SFTP/FTPS client, available for many platforms such as Windows, Linux and Mac OS X. FileZilla client supports FTP, SFTP, and FTPS (FTP over SSL/TLS). With tons of intuitive tools, FileZilla helps you quickly move files between your computer and Web server. If you plan to use FileZilla regularly, you might like the advanced features like manual configuration and speed limit monitoring. While FTP may seem outdated, it's actually a very reliable way to transfer large files or groups of files to your Web server. And, with FileZilla, you can deploy multiple simultaneous connections to speed up file transfers. Overall, FileZilla has everything you need to support your FTP needs including a documentation wiki and a forum.