MeerK40t is an open-source laser cutter software that supports a variety of laser cutters and engravers. It offers advanced features for controlling...
Best GRBL-Plotter Alternatives ranked by AI · updated Aug 2026
GRBL-Plotter is a Windows application for controlling GRBL-based CNC machines and plotters. It targets hobbyists who need job sending plus extensive path-conversion, plotting, engraving, and machine-control features.
Top 6 GRBL-Plotter alternatives
2
Universal Gcode Sender
Will Winder and contributors
Universal Gcode Sender is a cross-platform desktop G-code sender for CNC routers, mills, laser engravers, and other compatible machines. It supports controllers...
Pros
- Supports more controller families than most GRBL-focused senders
- Runs on Windows, macOS, and Linux
- Includes 3D toolpath visualization and machine controls
Cons
- More complex to configure than Candle or OpenBuilds CONTROL
- Java installation and serial settings can add setup friction
- Interface feels less streamlined than newer senders such as gSender
Free, open source
SourceRabbit GCode Sender is a desktop CNC control application for sending G-code to GRBL-based machines. It is aimed at hobbyists and small...
Pros
- Provides a focused Windows workflow for GRBL machine control
- Includes G-code visualization and job management tools
- Supports macros and manual machine commands
Cons
- More limited platform support than browser-based CNCjs
- Smaller user community than Universal Gcode Sender
- Less actively developed than several competing senders
CNCjs is an open-source web-based G-code sender for CNC machines using GRBL, TinyG, Smoothieware, and related controllers. It runs on a computer...
Pros
- Browser interface allows remote control from multiple devices
- Better suited than Universal Gcode Sender for headless Raspberry Pi setups
- Supports several popular CNC controller families
Cons
- Requires more installation and networking work than desktop senders
- Browser-based workflow can feel less direct for basic jobs
- Interface is less beginner-oriented than gSender
Free, open source
5
bCNC
Vlachoudis
bCNC is an open-source CNC controller, sender, and basic CAM utility for machines that use G-code. It is aimed at hobbyists and...
Pros
- Free and open-source with cross-platform support
- Adds machine control, jogging, probing, and G-code sending beyond jscut
- Useful for GRBL-based CNC machines
Cons
- CAM design features are less complete than jscut or commercial suites
- Interface is more technical and less polished
- Requires more manual machine configuration
LaserGRBL is free Windows software for controlling GRBL-based diode and CO2 laser engravers. It converts raster images and vector files into G-code...
Pros
- Free for Windows users
- Direct support for GRBL laser controllers
- Includes image-to-G-code conversion and raster engraving tools
Cons
- Windows-only, unlike several cross-platform alternatives
- Fewer layout and design tools than LightBurn
- Limited support for non-GRBL controllers
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