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SimScale vs code_aster: catalog facts
SimScale	code_aster
Best for: Engineering teams running CFD and FEA without local hardware	Best for: Engineers and researchers running structural or thermomechanical finite element analysis
Paid Commercial subscription; plans are listed on the pricing page.	Free Free and open source.
Web	Linux, Command line
Runs entirely in the browser on cloud compute Covers CFD, FEA, thermal and electromagnetics All 3 strengths for SimScale Runs entirely in the browser on cloud compute Covers CFD, FEA, thermal and electromagnetics Documentation, forum and public example projects	Large verification test suite Covers mechanics, thermal and dynamics analysis All 4 strengths for code_aster Large verification test suite Covers mechanics, thermal and dynamics analysis Free with published source Long development history at EDF
Requires an internet connection and account Aimed at professional engineering budgets	Steep learning curve for new users Solver only; pre- and post-processing usually done in Salome-Meca
Web application	Downloadable app
Not open source	Open source
License not stated	License: GPL-3.0
Account needed	No account needed
Needs internet	Offline features available
Official website Full listing and sources Sources for SimScale simscale.com Catalog checked October 1, 2026	Official website Full listing and sources Sources for code_aster code-aster.org Catalog checked October 1, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.