netspeed-plasmoid is a simple plasmoid that shows the current speed of a network interface and some other statistics.
Webcamoid is a webcam plasmoid for the KDE desktop environment and based on GStreamer. It allows you to take pictures and record videos, and manage multiple webcams with custom controls for each webcam. It also provides some funny effects.
A document management system.
Pandora FMS is a monitoring system for big IT environments.