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Estlcam vs bCNC: catalog facts
Estlcam	bCNC
Best for: Hobbyists running a home CNC milling machine	Best for: Control a GRBL CNC machine and edit its toolpaths
Free + paid options Free version with save and open delays; a one-time licence removes them and includes a year of updates.	Free The open-source software is available without a license fee. Hosting, hardware and external services are separate.
Windows	Windows, macOS, Linux
Combines CAM and CNC machine control in one program Fully functional free version All 4 strengths for Estlcam Combines CAM and CNC machine control in one program Fully functional free version Licence is permanent, not a subscription Actively updated	Combines G-code sending, surface probing and machining tools.
Windows only Free version adds growing delays when opening and saving files All 3 limitations for Estlcam Windows only Free version adds growing delays when opening and saving files Updates after the first year need an extra purchase	The project warns that current macOS support needs testing.
Downloadable app	Downloadable app
Not open source	Open source
License not stated	License: GPL-2.0
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 Estlcam estlcam.de Catalog checked October 2, 2026	Official website Full listing and sources Sources for bCNC github.com/vlachoudis/bCNC Catalog checked September 22, 2026

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