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SolveSpaceAlibre Atom3D
Free

Free and open source under the GPL.

 Paid

Requires a paid license or subscription. Trial availability and licensing depend on the…

Windows, macOS, Linux Windows
  • Real parametric constraint solving, so dimensions drive the model
  • Exports STL, STEP and DXF for 3D printing and machining
  • Supports parametric part modeling
  • Targets hobby fabrication and 3D printing
  • The interface is bare and the workflow unlike mainstream CAD packages
  • Not suited to large or highly complex assemblies
  • Windows only; advanced capabilities belong to other Alibre editions.
Downloadable app Downloadable app
Open source Closed source
License: GPL-3.0 License not stated
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked September 21, 2026

Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.