Nestor Cardozo

Free
Calculator for vectors, tensors and 3D stress.
OSXBackstrip performs 1D backstripping of sedimentary Strata.
Free
OSXFlex2D is a program that implements the "elastic", "flexural" model.
Free
Program to run three-dimensional forward trishear models.
Free
Program to calculate strain/strain rate from displacement/velocity data in two and three dimensions.
OSXStereonet plots lines and planes in a stereographic, equal angle or equal area, projection.
Structural Geology calculator. It operates on planes and lines, strains and stresses.
Free
Stereonet3D (was OSXStereonet) plots lines and planes in spherical, equal angle or equal area, projections.