Applications/Science
Appearance
Science
Plotting Data and Graphs
LabPlot
LabPlot is an application for interactive graphing and analysis of scientific data. Rocs
An interactive Graph Theory IDE for Students.
Data Manipulation
RKWard
A front-end for the R programming language designed for data manipulation
Simulations
KStars
A desktop planetarium from KDE, accurately representing the night sky from any location on the planet. Step
An interactive physical simulator which shows how a scene will evolve according to the laws of physics.
Information Systems
Kalzium
An application for viewing information about the elements in the periodic system. Marble
A powerful virtual globe and world map. It is able to use OpenStreetMaps. You can see it in action in this video