Free Open FTP Face is a lightweight graphical (GTK+) FTP client written in python. It is multiplatform, emphasizes on simplicity and ease of use, while providing a rich set of convenience features.
Multiplatform – Runs on Windows, *NIX (BSD, Linux, others)
Modern Interface – Carefully designed using GTK+ 2.x widgets
Bookmark Manager – Easily manage and test your site connections.
Image Viewer – View and zoom images with a very fast viewer
Text Viewer – View readme files or quickly go over text
Audio Player – Preview audio or create your own playlists
Compression – One-click gzip compression and decompression
File Checksums – Easy .md5 file creation and verification
Terminal Window – Supports OS and FTP commands
FOFF has a built-in terminal, text viewer, image viewer, audio player, checksums and one-click gzip (de)compression. The idea behind the built-in tools, is that regardless of the operating system, you can instantly preview files or perform common operations, since there’s no overhead from loading an external program. With the exception of the (optional) audio player, these built in features do not add any dependencies.
Free Open FTP Face is open source software, licensed under the GNU GPL (General Public License).
FOFF is available in default Ubuntu repository, search and install it from Ubuntu Software Center.