RabbitVCS is a set of graphical tools written to provide simple and straightforward access to the version control systems SVN (Subversion) and Git. There are extensions for Nautilus and gedit, and a simple command-line interface.

JACK is a low-latency sound server, allowing multiple applications to connect to one audio device, and to share audio between themselves.

The Jovie text-to-speech system is a plugin based service that allows any KDE (or non-KDE) application to speak using the D-Bus interface.

dvcs-autosync is an open source replacement for Dropbox/Wuala/Box.net/etc. based on distributed version control systems (DVCS). It offers nearly instantaneous mutual updates when a file is added or changed on one side but with the added benefit of (local, distributed) versioning and that it does not rely on a centralized service provider, but can be used with any DVCS hosting option including a completely separate server.

par2cmdline is a command line utility for creating and using PAR2 files to detect and repair damage in data files. It is most commonly used as part of backup systems as well as on Usenet.