- Source of some math GIF visualizations
- Mathics - General-purpose computer algebra system. (Web) (HN)
- Some notes on the internal implementation of Mathematica
- Dropping In on Gottfried Leibniz—Stephen Wolfram Writings (2013)
- Ruckig - Online Trajectory Generation. Real-time. Jerk-constrained. Time-optimal.
- Mathics - Free, open-source alternative to Mathematica. (Code) (GitHub) (Web) (HN)
- How do I draw a pair of buttocks? (HN)