Compare software

PrusaSlicer vs PreForm: catalog facts
PrusaSlicer	PreForm
Best for: Slicing on a Prusa, or for a resin printer, without an account	Best for: Owners of Formlabs resin and SLS printers
Free Free and open source under the AGPL 3.0. No account is required to use it.	Free Free download from Formlabs.
Windows, macOS, Linux	Windows, macOS
Handles both filament and resin printers in one program Per-layer setting changes and painted supports and seams All 4 strengths for PrusaSlicer Handles both filament and resin printers in one program Per-layer setting changes and painted supports and seams Profiles for printers well beyond Prusa's own range No account needed, and the project says so plainly	Automatic print setup Direct upload to Formlabs printers All 3 strengths for PreForm Automatic print setup Direct upload to Formlabs printers Native Apple silicon build
Linux builds come only through Flathub Tuned first for Prusa hardware; other machines need profile work All 3 limitations for PrusaSlicer Linux builds come only through Flathub Tuned first for Prusa hardware; other machines need profile work The interface exposes fewer calibration tools than OrcaSlicer	Only for Formlabs printers No Linux version All 3 limitations for PreForm Only for Formlabs printers No Linux version Closed source
Downloadable app	Downloadable app
Open source	Not open source
License: AGPL-3.0	License not stated
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 PrusaSlicer prusa3d.com/prusaslicer github.com/prusa3d/PrusaSlicer Catalog checked September 21, 2026	Official website Full listing and sources Sources for PreForm formlabs.com/software/preform Catalog checked September 23, 2026

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