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Universal Gcode Sender vs LightBurn: catalog facts
Universal Gcode Sender	LightBurn
Best for: Hobbyists running GRBL-based CNC routers and laser engravers	Best for: Makers and small shops running a laser cutter or engraver
Free Free and open source under the GPL-3.0, supported by donations and sponsors.	Paid Paid licence in Core and Pro editions, with a 30-day unrestricted free trial.
Windows, macOS, Linux	Windows, macOS
Supports GRBL, FluidNC, TinyG, g2core and Smoothieware 3D visualizer with real-time tool position All 4 strengths for Universal Gcode Sender Supports GRBL, FluidNC, TinyG, g2core and Smoothieware 3D visualizer with real-time tool position Built-in designer that imports SVG, DXF and images for engraving Gamepad, joystick and web pendant control	Works with hundreds of laser cutters and engravers Design, layout and machine control in one program All 3 strengths for LightBurn Works with hundreds of laser cutters and engravers Design, layout and machine control in one program Full-featured 30-day trial with no watermarks
Java-based interface Maintained largely in one developer's free time	Paid licence, with updates tied to a yearly period Focused on lasers; CNC routing needs the separate MillMage product
Downloadable app	Downloadable app
Open source	Not open source
License: GPL-3.0	License not stated
No account needed	Not stated if an account is needed
Offline features available	Not stated if it works offline
Official website Full listing and sources Sources for Universal Gcode Sender winder.github.io/ugs_website Catalog checked October 2, 2026	Official website Full listing and sources Sources for LightBurn lightburnsoftware.com Catalog checked October 2, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.