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bCNC vs Estlcam: catalog facts
bCNC	Estlcam
Best for: Control a GRBL CNC machine and edit its toolpaths	Best for: Hobbyists running a home CNC milling machine
Free The open-source software is available without a license fee. Hosting, hardware and external services are separate.	Free + paid options Free version with save and open delays; a one-time licence removes them and includes a year of updates.
Windows, macOS, Linux	Windows
Combines G-code sending, surface probing and machining tools.	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
The project warns that current macOS support needs testing.	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
Downloadable app	Downloadable app
Open source	Not open source
License: GPL-2.0	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Offline features available
Official website Full listing and sources Sources for bCNC github.com/vlachoudis/bCNC Catalog checked September 22, 2026	Official website Full listing and sources Sources for Estlcam estlcam.de Catalog checked October 2, 2026

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