OpenArm CAN control library

giza - a scientific plotting library for C/Fortran

Geometry library for topological robustness

Official source code of FreeCAD, a free and opensource multiplatform 3D parametric modeler.

Lesson on spreadsheets for social scientists.

Library Carpentry: The UNIX Shell

Building Websites with Haunt & GitHub Pages.

Introduction to programming in Scheme

Introduction to building and distributing Android applications