Compare software

Duet Web Control vs Mainsail: catalog facts
Duet Web Control	Mainsail
	Screenshots
Best for: Controlling a Duet-based 3D printer from a browser	Best for: Control a Klipper printer through a browser dashboard
Free Free and open source.	Free Free and open source. Hosting, hardware and any external services are separate.
Web, Self-hosted	Self-hosted, Web
No separate host computer needed Responsive layout works on phones and desktops All 3 strengths for Duet Web Control No separate host computer needed Responsive layout works on phones and desktops Maintained by the Duet3D hardware maker	Shows printer status and job controls Provides configuration and print-file management
Only works with RepRapFirmware on Duet electronics	Requires Klipper and a compatible Moonraker installation.
Self-hosted	Self-hosted, Web application
Open source	Open source
License: GPL-3.0	License: GPL-3.0
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 Duet Web Control github.com/Duet3D/DuetWebControl Catalog checked September 23, 2026	Official website Full listing and sources Sources for Mainsail docs.mainsail.xyz github.com/mainsail-crew/mainsail Catalog checked September 22, 2026

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

Screenshots