SEUL.org: Linux in science report #3

“Version 5.1.0 of the Grace WYSIWYG 2d plotting tool for X has
recently been released. Grace supports a number of graph types, and
also supports FFT, integration and differentiation, splines,
interpolation and smoothing, linear and non-linear least-squares
curve-fitting amongst others….”

The Geographic Resource Analysis Support System – GRASS is
a GPL’ed Geographical Information System (GIS) with raster
(grid-based) and vector (line-based) analysis and display
capabilities, image processing as well as graphics presentation
GRASS is a venerable UNIX application, having its
roots in the US Army Construction Engineering Research Laboratory
(CERL). The sixth beta version of GRASS release 5 is now available
though either of the two main sites or any mirror.”