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Engineering · free alternative

CalculiX

Finite element solver for structural and thermal analysis.

Licence
GPL-2.0
Platforms
macos, windows, linux
Self-hostable
No
Pricing model
free
Language
Fortran
Repo activity
Last commit October 26, 2026
GitHub stars
226
Last verified
October 24, 2026

Replaces

The paid products this tool can replace, at their public list price.