Best Open Source Alternatives to Simplify3D

Compare the best free and open-source alternatives to Simplify3D — self-hosted and desktop replacements you fully control, ranked by GitHub stars, license and platform support.

Curated by open-source.store · Updated November 2026 · 2 alternatives

Simplify3D

Proprietary SaaS

PricingPaid

Platformsdesktop, web

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Simplify3D alternatives compared

Open-source alternatives to Simplify3D, compared by stars, license and platform
Tool		License	Platforms	Self-hosted
OrcaSlicer	16,301	AGPL-3.0	Linux	No	Nov 2026	Visit
Bambu Studio	5,214	AGPL-3.0	Linux	No	Nov 2026	Visit

Top open-source Simplify3D alternatives

OrcaSlicer16,301AGPL-3.0

OrcaSlicer replaces proprietary desktop slicers like Simplify3D with automated calibration tests, smart tree supports, and zero licensing fees.

Linux

vs Simplify3D: a free, open-source option you fully control, licensed AGPL-3.0.

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Bambu Studio5,214AGPL-3.0

Bambu Studio replaces Simplify3D with free multi-plate slicing, native color painting for multi-material prints, and built-in remote printer monitoring.