K3b is a CD and DVD burning application for Linux systems optimized for KDE. It provides a comfortable user interface to perform most CD/DVD burning tasks, such as creating an audio CD from a set of audio files or copying a CD. While the experienced user can influence all steps of the burning process, the beginner may find comfort in the automatic settings and the reasonable defaults which allow a quick start. The actual burning is done by the command line utilities cdrecord, cdrdao, and growisofs.
Soprano (formerly known as QRDF) is a library that provides a highly usable object-oriented C++/Qt4 framework for RDF data. It uses different RDF storage solutions as backends through a simple plugin system. Soprano is targetted at desktop applications that need a RDF data storage solution. It has been optimized for easy usage and simplicity.