GreenT is a Linux terminal emulator written in C#. Its visibility can be toggled by a hotkey just like the consoles found in games. Additionally, it supports tabs like gnome-terminal. It uses gnome-terminal's settings for its configuration which it updates in real-time when changed in gnome-terminal.
KBoincSpy is a KDE monitor and control utility for the BOINC distributed client. It displays a lot of useful information about the computation of work units, such as the percent of work done, estimates of the completion time, and credits granted. For some projects, it also reports interesting data about the content and signifiance of each work unit being analyzed. Through KDE's IO mechanism, KBoincSpy is able to monitor remote BOINC clients, and its plugin-based architecture offers support for a virtually unlimited number of projects.
TkKasse is a cash desk (POS) software designed especially for use in restaurants. It runs on ordinary PCs that use cheap standard components, aside from a POS printer. It supports multiple simultaneous waiters, bills, and screens. This software has been tested and optimized on real waiters at a restaurant in Harz Mountains, Germany.