KDE Display Manager for X11

kdm

KDE Display Manager for X11

DVD authoring program with nice and clean GUI

bombono-dvd

DVD authoring program with nice and clean GUI

Gnome Display Manager

gdm

Next generation GNOME Display Manager

Tilix 1.8.9 on Arch Linux

tilix

Tiling terminal emulator for GNOME

Tilix is a feature-rich tiling terminal emulator following the GNOME human interface design guidelines. Its many features include:
Qt based user interface for CMake (cmake-gui)

cmake-qt-gui

Qt based user interface for CMake (cmake-gui)

CMake is used to control the software compilation process using simple platform and compiler independent configuration files. CMake generates native makefiles and workspaces that can be used in the compiler environment of your choice. CMake is quite sophisticated: it is possible to support complex environments requiring system configuration, pre-processor generation, code generation, and template instantiation.
minimal GNOME frontend to GNUPlot

plotdrop

minimal GNOME frontend to GNUPlot

PlotDrop is designed for quick simple visualisation of 2D data series. It is intended to be used in tandem with an external filesystem browser such as GNOME's nautilus or KDE's konqueror. Files containing data are added by dragging them from the browser to the file list.