matgts
programs for geotechnical engineering and mathematics
..., matrix inversion (JavaScript);
mtwall - obsolete program for analysing a diaphragm wall (C, SDL).
Some Javascript programs require at least Firefox 3 or 4, because of <canvas> and "use strict";. Some general recommendations for compiling the C programs are here: https://sourceforge.net/projects/bars3d/ (SDL 1.2 is required)