Agena is an interpreted procedural programming language.
Agena is an easy-to-learn procedural programming language designed for science, scripting, and many other applications. Binaries are available for Windows, Linux, Solaris, OS/2, Mac OS X, Raspberry Pi and DOS.
Lienzo is a gtk-Canvas and Lua program to work in geometry. Unlike others like Cinderella, Cabri, DrGeo, etc... this one focuses in algorithms, not in static figures. the lua interface allows to work with programable objects.