a parametric 3D CAD modeler
Agena is an interpreted procedural programming language.
Implementations for the Revised Report language
Automated integer factorization
Easy mathematics in wxWidgets
Modular CNC software for Arduino controller
Basic interpreter with primitives to play lotto games
Brandy is an interpreter for BBC Basic
General purpose Lindenmayer system written in C++
RCL, a simulator for Texas Instrument calculators from the 70's.
Software for exact computing based on interval arithmetic.
OpenCV library wrapper for Lua language
Crossplatform stack calculator with very fast usage.