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Fluidd vs Mainsail: catalog facts
Fluidd	Mainsail
Screenshots	Screenshots
Best for: Manage Klipper print jobs from a responsive browser interface	Best for: Control a Klipper printer through a browser dashboard
Free Free and open source. Hosting, hardware and any external services are separate.	Free Free and open source. Hosting, hardware and any external services are separate.
Self-hosted, Web	Self-hosted, Web
Provides printer controls and status displays Supports configuration editing	Shows printer status and job controls Provides configuration and print-file management
Requires Klipper and Moonraker on the printer host.	Requires Klipper and a compatible Moonraker installation.
Self-hosted, Web application	Self-hosted, Web application
Open source	Open source
License: GPL-3.0	License: GPL-3.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Sources for Fluidd docs.fluidd.xyz github.com/fluidd-core/fluidd Catalog checked September 22, 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