The best LightBurn alternative depends on why you are leaving LightBurn. For a free Windows GRBL diode setup, LaserGRBL is the obvious pick. For free, open-source control of a K40-style CO2 laser and you do not mind a steeper learning curve, MeerK40t is strong. If you want Mac support, the ability to run several lasers at once, and built-in image, AI and vector preparation, Vextrify is the most complete modern alternative — with a free browser tier to start.
LaserGRBL is the best-known free LightBurn alternative. It is lightweight and costs nothing, but it is Windows-only, supports GRBL diode lasers only, and has basic image and layout tools. It does not help on a Mac, with CO2/Ruida machines, or with serious photo preparation.
Free and simple
Windows-only, GRBL diode only
Basic image and layout features
MeerK40t — free, open-source, technical
MeerK40t is a free, open-source controller especially popular with K40-style CO2 lasers. It is powerful and cross-platform, but it is more technical to set up and learn, and it is focused on control rather than polished image, AI or layout preparation.
Free and open-source
Good for K40-style CO2
More technical; control-focused
Vextrify — the all-in-one modern alternative
Vextrify is a browser-and-desktop suite rather than a single controller. It runs natively on macOS and Windows, controls several lasers at once, places designs on the material with a calibrated camera and Artboard, and builds in background removal, vectorizing, photo and AI prep. It has a free browser tier and still exports clean files for LightBurn, EZCAD or Ruida when you want them.
Native Mac + Windows, free browser tier
Several lasers at once, camera-aligned
Built-in background, SVG, photo and AI prep
Which alternative should you pick?
Pick LaserGRBL for a free Windows diode setup, MeerK40t for free open-source K40 control if you like to tinker, and Vextrify if you want a Mac-native, multi-laser, all-in-one tool that prepares your artwork and runs the job in one place. Most people comparing alternatives are looking for either free or Mac support — Vextrify covers both with its browser tier.
LaserGRBL is the best-known free option but is Windows-only and GRBL-only. Vextrify offers a free browser tier that also runs on macOS, and MeerK40t is a free open-source choice for K40 CO2 lasers.
Is there a LightBurn alternative for Mac?
Yes. Vextrify runs natively on macOS and in the browser. LaserGRBL is Windows-only, so on a Mac your realistic options are Vextrify or LightBurn's own paid Mac build.
Which alternative can run several lasers at once?
Vextrify is built to run several lasers live from one license. LaserGRBL and MeerK40t drive a single machine, like a single LightBurn instance.
Can I still use LightBurn files with these alternatives?
With Vextrify you can export clean files for LightBurn, EZCAD or Ruida, so you are not locked out of an existing LightBurn workflow.