compare
UltiMaker Cura vs OrcaSlicer
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | UltiMaker Cura | OrcaSlicer |
|---|---|---|
| Language | Python | C++ |
| Licence | LGPL-3.0 | AGPL-3.0 |
| Stars | 7k | 16k |
| Latest | 5.13.0 | v2.4.2 |
| Last push | 2026-10-06 | 2026-10-06 |
| Release cadence | about 42 days between releases | about 8 days between releases |
| Active contributors | 6 commit authors on the default branch in the last 90 days | 66+ commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace Simplify3D. Alternatives to Simplify3D →
Full replacementUltiMaker CuraSlices models for FDM printers, with hundreds of printer profiles and plugins.
Full replacementOrcaSlicerSlices models for most FDM printers, with calibration tools and per-object settings.
UltiMaker Cura
- 5.14.0-alpha.02026-06-25UltiMaker Cura 5.14.0-alpha.0pre-release
- 5.13.02026-05-28UltiMaker Cura 5.13.0
- 5.12.12026-04-13UltiMaker Cura 5.12.1
- 5.12.02026-03-05UltiMaker Cura 5.12.0
- 5.12.0-beta.12026-02-20UltiMaker Cura 5.12.0-beta.1pre-release
OrcaSlicer
- nightly-builds2024-11-21OrcaSlicer Nightly Buildspre-release
- v2.4.22026-07-07OrcaSlicer v2.4.2 Official Release
- v2.4.12026-06-28OrcaSlicer v2.4.1 Official Release
- v2.4.02026-06-20OrcaSlicer v2.4.0 Official Release
- v2.4.0-beta2026-06-09OrcaSlicer V2.4.0 Beta releasepre-release
UltiMaker Cura
✓ signed The latest release, 5.13.0, carries a signature GitHub verified.
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OrcaSlicer
unsigned The latest release, v2.4.2, carries no signature GitHub could verify.
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