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.
netspeed-plasmoid is a simple plasmoid that shows the current speed of a network interface and some other statistics.
A remote shell connection manager.
A Java-based desktop-enhancing toolbox.