This is a curated list of free courses from reputable universities
svg editor: Easily create documents for math, physics, chemistry...
Qt Visual Graph Editor
Another drawing editor for LaTeX with PSTricks & TikZ
CAD application for Technical Drawing exercises in Android
CAD application for Technical Drawing exercises
MathJax support for MathML content embedded in SVG documents
A C++ template library extending syntax towards mathematical notation
Computer vision and image processing library for Qt.
Video and Image Analysis Extension for Firefox
A 3D rendering / entity engine
A fair attempt at the Keplerian tradition to explore the solar system
Quick project: Phong, Gouraud, Flat shading program (wire-frame also)