Fldigi is a modem program which supports most of the digital modes used by hamradio operators today. You can also use the program for calibrating your sound card to WWV or doing a frequency measurement test. The program also comes with a CW decoder. Fldigi is written with the help of the Fast Light Toolkit X GUI.

This package contains additional Plasma 5 widgets shipped in the Plasma addons module. Install it if you want a variety of widgets on your Plasma desktop.

BKchem is a free chemical drawing program, which is written in Python.

KUser is an application for managing users and groups on your system.

ClusterSSH (cssh, crsh, ctel) allows you to control multiple ssh, rsh or telnet sessions from a single input window. You can also configure clusters of machines for easy invocation and interact with individual terminal windows during a session.

IDLE is an Integrated Development Environment for Python.