A genuine EZCAD dongle, sold through authorized distributors, can cost between , depending on the version (Standard vs. Pro) and the seller's markup. For a hobbyist with a cheap Chinese K40 laser, paying nearly as much as the laser itself for a software key feels unreasonable.
For simple diode lasers, is free, open-source, and requires no dongle. It lacks advanced galvo control but is perfect for drag engraving and basic cutting. ezcad dongle emulator
In the world of industrial laser marking and engraving, (developed by Beijing JCZ Technology) is the undisputed industry standard. It is the proprietary software that powers millions of fiber, CO2, UV, and green laser markers worldwide. To run the full, unrestricted version of EZCAD (versions 2.x, 3.x, and the newer EZCAD3), the software requires a physical hardware key—a "dongle"—plugged into a USB port. For simple diode lasers, is free, open-source, and