OnShape FreeCad FreeCAD is an open-source, 3D CAD program. It features a variety of Workbenches for accomplishing various CAD/CAM tasks, plug-in extensions, and integrated scripting in Python. Maslow Firmware I’d like this sticky to contain all relevant information regarding the current stable and dev versions. Please feel free to edit if you get here before I have a chance to do this! Ground Control Ground Control (GC) is the software that controls Maslow. All GC related topics should go here.