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OctoPi vs MainsailOS: catalog facts
OctoPi	MainsailOS
Best for: Setting up browser-based control of a 3D printer on a Raspberry Pi	Best for: Setting up a new Klipper printer on a Raspberry Pi
Free Free and open source.	Free Free and open source.
Linux, Self-hosted	Linux
OctoPrint preinstalled and ready after flashing Webcam streaming and timelapse support included All 3 strengths for OctoPi OctoPrint preinstalled and ready after flashing Webcam streaming and timelapse support included Build scripts published for custom images	Klipper stack ready after flashing Includes the Mainsail web interface All 3 strengths for MainsailOS Klipper stack ready after flashing Includes the Mainsail web interface Maintained by the Mainsail team
Needs a Raspberry Pi or supported board next to the printer Le Potato support is still in beta	Replaces the whole operating system on the board Aimed at single-board computers like the Raspberry Pi
Operating system	Operating system
Open source	Open source
License: GPL-3.0	License: GPL-3.0
No account needed	No account needed
Not stated if it works offline	Offline features available
Official website Full listing and sources Sources for OctoPi github.com/guysoft/OctoPi Catalog checked September 23, 2026	Official website Full listing and sources Sources for MainsailOS github.com/mainsail-crew/MainsailOS Catalog checked September 23, 2026

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