PrusaSlicer

Feature-rich open-source slicer for FFF and resin printers

★ Stars9.4k9,414 on GitHub
Last commit21 Sept 2026
LicenceAGPL-3.0SPDX, from the repository
View on GitHub ↗

From GitHub, fetched 19 Oct 2026.

PrusaSlicer turns 3D models into G-code for Prusa and many third-party printers. It has variable layer height, paint-on supports, multi-material and organic supports.

Who it suits

  • Workshops with locked-down networks: PrusaSlicer's site describes it as “suitable for air-gapped environments and secure manufacturing facilities.”

From prusa3d.com/p/prusaslicer, checked 19 Oct 2026. Quotes are the project's own words.

Fit: files and licence

Runs onWindows, macOS, Linux
Commercial useAllowed
Open-source licence (AGPL-3.0): the Open Source Definition rules out restrictions on fields of use, including business use.

Sources: opensource.org/osd. “Runs on” is from this listing. Blank means we haven't found it in official docs yet, not that it's unsupported.

Free alternative to

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