FileZilla

It is free FTP client for Windows, Linux and Mac. It is the preferred application to handle FTP transfers for many websites owners and all those who maintain websites. The program lets you download or upload multiple files and directory structures at once between several servers and your machine. You can handle many servers with the built-in site manager that enables you to store all your connection details and logins.......

FileZilla is a fast FTP client that supports resume for both uploads and downloads. You can also enable the speed limits for the upload or the download if you don not want it to dominate your bandwidth. The program supports multiple secure connection options ensure that you can move files without concern or worry (SSL, SFTP, firewall support).

It has an easy to use interface that show the both the contents on your computer and server beside each other with drag & drop support to upload or download files or folders. You can even customize its look; almost every element of the interface can be shown, hidden, resized or moved. It has also huge amount of options and supports many languages including right to left languages.

Home page: filezilla-project.org

You can download it for all OS form the Home page.