Rocs is a Graph Theory IDE for designing and analyzing graph algorithms.
Gaphor
Gaphor is a UML and SysML modeling application written in Python. It is designed to be easy to use, while still being powerful
PSPP
GNU PSPP is a program for statistical analysis of sampled data.
LabPlot
LabPlot ge 'nar software mpe̲fi ne 'nar programa informático multiplataforma pa gráficos científicos interactivos ne análisis ar datos, ko pa escritorio ar KDE.
KmPlot
KmPlot is a program to plot graphs of functions, their integrals or derivatives.