Mach3 is not available for Mac but there are a few alternatives that runs on macOS with similar functionality. The best Mac alternative is PlanetCNC. It's not free, so if you're looking for a free alternative, you could try Blender CAM or PyCAM. If that doesn't suit you, our users have ranked more than 10 alternatives to Mach3 and four of them are available for Mac so hopefully you can find a suitable replacement.
A free CNC controller software that works only with Mk3 and Mk4 USB controllers sold by PlanetCNC. You can use this software on PCs running Windows, macOS, RaspberryPi, or Linux OS.
Blender CAM is an open source solution for artistic CAM - Computer aided machining - a g-code generation tool.
Blender CAM is an add-on for the free open-source Blender 3d package.
PyCAM is a toolpath generator for 3-axis CNC machining. It loads 3D models in STL format or 2D contour models from DXF or SVG files. The resulting GCode can be used with EMC2 or any other machine controller.
mycnc.app is a web-based G-code sender that runs in your browser to control your CNC machine. Connect via USB to jog, send files, and monitor jobs in real-time. It includes a 3D toolpath visualizer, a machine simulator, and G-code generators for simple operations.
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Cam software can't control a CNC machine.