Best for: Slicing on a Prusa, or for a resin printer, without an account
Best for: Fast, compact slicer that converts STL models into G-code for filament printers
Free
Free and open source under the AGPL 3.0. No account is required to use it.
Free + paid options
The single-extruder version is free. Pro and Premium licences unlock multi-extruder and advanced slicing.
Windows, macOS, Linux
Windows, macOS, Linux
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
Slicing is quick and the interface stays simple, which makes it a light alternative when a full slicer…
Full strengths for KISSlicer
Slicing is quick and the interface stays simple, which makes it a light alternative when a full slicer suite feels like too much for a straightforward print.
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
The free version is single-extruder only and closed source; multi-extruder printing and the advanced features need the…
Full limitations for KISSlicer
The free version is single-extruder only and closed source; multi-extruder printing and the advanced features need the paid Pro or Premium licences.
PrusaSlicer
KISSlicer