O
OrcaSlicer
3D printing & CAMOpen-source slicer with built-in printer calibration tools
- Stars
- ★ 16k
- Licence
- AGPL-3.0
- Updated
- Commercial OK
Alternative to Simplify3D
UltiMaker Cura
Popular open-source 3D-printing slicer
★ Stars7.1k7,051 on GitHub
Last commit14 Oct 2026
LicenceLGPL-3.0SPDX, from the repository
View on GitHub ↗
From GitHub, fetched 19 Oct 2026.
UltiMaker Cura is a free slicer that prepares models for UltiMaker and hundreds of third-party printers, with recommended and custom modes and a plugin marketplace.
Fit: files and licence
| Runs on | Windows, macOS, Linux |
|---|---|
| Commercial use | Allowed Open-source licence (LGPL-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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