C
code_aster
Simulation (FEA & CFD)Structural and thermomechanical FEA solver developed by EDF
- Stars
- ★ 32
- Licence
- GPL-3.0
- Updated
- Commercial OK
Free alternatives to Abaqus
Last updated · 2 options
Quick answer: There are 2 free options here. code_aster and CalculiX are listed first; check formats, platforms and licence for your own work.
Dassault Systèmes' finite-element analysis software. Here are 2 free options, most-starred first.
C
CalculiX
Simulation (FEA & CFD)Free three-dimensional structural finite-element program
- Licence
- GPL-2.0
- Status
- Open source
- Commercial OK
FAQ
Is there a free alternative to Abaqus?
Yes. CADAlts lists 2 options: code_aster and CalculiX.
Which Abaqus alternatives are open source?
code_aster (GPL-3.0) and CalculiX (GPL-2.0).
Related categories: Simulation (FEA & CFD)
Check file compatibility before switching. Free tools import STEP, DXF and other neutral formats well, but native SolidWorks, Altium or Revit files, drawing standards and PDM workflows may not carry over cleanly.