Note: This project is unmaintained for a long time, it has never been ported to KDE 4+, it's hosted for archiving purposes.
A graphical ftp client for kde. among its features are support for SSL/TLS encryption (both commands and data using auth TLS, not SFTP), FXĂ (direct ftp to ftp transfer) bookmarks, and queues.
./configure
make
make install