Kpl is a KDE program for two- and three-dimensional graphical presentation of data sets and functions (plotter). Multidimensional nonlinear parameter fits of functions to data sets can be performed using the Levenberg-Marquardt algorithm. General linear least square parameter fits are also possible. A D-BUS interface can be used to control Kpl by other applications and scripts.
Eric is a full featured Python and Ruby editor and IDE, written in Python. It is based on the cross platform Qt GUI toolkit, integrating the highly flexible Scintilla editor control. It is designed to be usable as an everyday quick and dirty editor as well as being usable as a professional project management tool, integrating many advanced features that Python offers the professional coder. Eric includes a plug-in system, which allows easy extension of the IDE functionality with plug-ins downloadable from the net. Current stable versions are Eric4 based on Qt4 and Python 2 and Eric5 based on Python 3 and Qt4.
KShutDown is an advanced shutdown utility for KDE. It has four main commands: Turn Off Computer (logout and halt the system), Restart Computer (logout and reboot the system), Lock Session (lock the screen using a screen saver), and End Current Session (end the session and logout the user). It features time and delay options, command line support, panel applet, and sounds.
ArahPaint4 is a raster based paint program for drawing images in repeat, mainly for textiles. It includes a graphical image browser, works well on large images, allows limited image palettes, and supports drawing with non-square pixels. It is used in industry by over 300 textile mills, schools, and designers.
SLD Calculator is a GUI to calculate the characteristics of chemical compounds, especially the Neutron and X-Ray scattering length densities that are often required to know in scattering experiments. Furthermore, it offers internationalization support and is capable of switching the language at runtime.
QtitanDataGrid provides a complete set of wide range of unique features that cannot be implemented using default Qt components and methods. It is a pure grid for business application in Qt. It enables you to load various types of data from different sources into a fast, flexible, and functional editable grid supporting sorting, grouping, reporting, creation of banded columns, drag’n’drop for buttons, and plenty of other handy functions. This data grid helps novice and experienced Qt developers with Delphi and C++ backgrounds to use the same comprehensive advanced editable grid capabilities that they’ve grown accustomed to in corresponding IDEs and that are not part of the standard Qt library.