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! 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. OnShape Ground Control Ground Control (GC) is the software that controls Maslow. All GC related topics should go here.