Blender CAM -
Blender CAM is an open source solution for artistic CAM - Computer aided machining - a g-code generation tool.
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ImplicitCAD -
ImplicitCAD is a programmatic CAD program, implemented in Haskell. Unlike traditional CAD programs, programmatic CAD programs use text descriptions of objects, as in programming. Concepts like variables, control structures and abstraction are used, just as in programming.
Mastercam -
Program your manufactured parts with leading-edge features for precision and efficiency. Creating code to drive your CNC equipment is what Mastercam does best.