Deutsche SeiteLinks
Scientific software
GDL
free substitute for the horrendous expensive IDLgnudatalanguage.sourceforge.net
Scilab
free of charge Matlab-Clonewww.scilab.org
Octave
free Matlab-Substitutewww.gnu.org/software/octave
GMT - Generic Mapping Tools
Opensource collection of ~60 Tools for manipulation of geographic und kartesian Data(e.g.: plotting maps with scientific data)
gmt.soest.hawaii.edu
Topographic Data for GMT
GLOBE ETOPO1
Scigraphica
free Origin-Substitutescigraphica.sourceforge.net
Qtiplot
free Origin-Substitutesoft.proindependent.com/qtiplot.html
Grace
free Origin-Substituteplasma-gate.weizmann.ac.il/Grace/