FileZilla is a modern and powerful FTP client for Windows and Linux.
FileZilla development focuses on high usability while also supporting
as many useful features as possible. FileZilla is "Open Source" under
the GPL license.

Some of the main features are: * Continuing interrupted
up-/downloads

* Managing different FTP sites

* Modifiable Commands

* Keep-Alive-System

* Timeout detection

* Firewall support

* SOCKS4/5 and HTTP 1.1 proxy support

* SSL support (secure connections)

* SFTP support

* Upload/Download queue

* Drag&Drop support