I tried creating gcode with FreeCAD, but the proprietary program Carbide Motion for my Nomad 883 CNC machine can't read it. Apparently the machine itself runs GBRL, so I guess this should understand the generated gcode, but Carbide Motion is a very basic program and looks like only reads the output of Carbide Create reliably, again a very basic program.
I don't need Carbide Motion, works in Windows only anyway, and I use Linux as my main system. Is there a program for Linux which can send the gcode to my machine, and which allows to manually and interactively move the drill position?