FileZilla

FileZilla is a powerful FTP-client. It has been designed for ease of use and with support for as many features as possible, while still being fast and reliable.

Features:

- ability to resume uploads/downloads (if the server supports it).
- custom commands.
- site manager with folders.
- keep alive system.
- timeout detection.
- firewall support.
- SFTP support.
- upload/download queue.
- drag&drop.
- multi-language support.