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mslicer vs PreForm: catalog facts
mslicer	PreForm

Best for: Slice 3D models for resin printers	Best for: Owners of Formlabs resin and SLS printers
Free The open-source software is available without a license fee. Hosting, hardware and external services are separate.	Free Free download from Formlabs.
Windows, macOS, Linux	Windows, macOS
Exports several resin-print formats including CTB and GOO.	Automatic print setup Direct upload to Formlabs printers Native Apple silicon build
Check that your printer accepts one of its output formats.	Only for Formlabs printers No Linux version Closed source
Downloadable app	Downloadable app
Open source	Not open source
License: GPL-3.0	License not stated
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 mslicer github.com/connorslade/mslicer github.com/connorslade/mslicer/blob/main/LICENSE Catalog checked September 22, 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.