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Dune 3DSolveSpace
Free

The open-source software is available without a license fee. Hosting, hardware and…

 Free

Free and open source under the GPL.

Windows, Linux Windows, macOS, Linux
  • Supports STEP exchange, chamfers and fillets.
  • Real parametric constraint solving, so dimensions drive the model
  • Exports STL, STEP and DXF for 3D printing and machining
  • Its focus is mechanical CAD rather than character animation.
  • The interface is bare and the workflow unlike mainstream CAD packages
  • Not suited to large or highly complex assemblies
Downloadable app Downloadable app
Open source Open source
License: GPL-3.0 License: GPL-3.0
Not stated if an account is needed No account needed
Not stated if it works offline Works offline

Checked September 22, 2026

Checked September 21, 2026

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