GRBL- Plotter is described as 'A GCode sender (not only for lasers or plotters) for up to two GRBL controller. SVG, DXF, HPGL import. 6 axis DRO' and is an app in the photos & graphics category. There are more than 10 alternatives to GRBL- Plotter for a variety of platforms, including Windows, Linux, Mac, Raspberry Pi and Web-based apps. The best GRBL- Plotter alternative is Universal Gcode Sender, which is both free and Open Source. Other great apps like GRBL- Plotter are Rayforge, LightBurn, gSender and bCNC.