GDAL is an open source MIT licensed translator library for raster and vector geospatial data formats.

The Generic Mapping Tools

A MATLAB software for the analysis of digital elevation models -

Lightweight, Automatable Visualisation & Analysis Viewing Utility

My teaching resources (School of Geosciences - The University of Sydney)

2D spherical and Cartesian triangulation toolkit using tripack, stripack, srfpack and ssrfpack

Data for the implicit structural modeling benchmark paper

Underworld Geodynamics

Python surface process framework on highly scalable unstructured meshes

Landlab codebase, wiki, and tests

underworld2: A parallel, particle-in-cell, finite element code for Geodynamics.