petsc
Open-source Python FEM/FEA solver for structural mechanics and dynamics, with transparent formulations, reproducible V&V and PETSc/MPI large-scale solving
underworld2: A parallel, particle-in-cell, finite element code for Geodynamics.
A parallel, open-source geothermal flow simulator
High-level and convenience wrappers for DOLFINx, the FEniCS library.
Python surface process framework on highly scalable unstructured meshes
An Experimental Installation Management Solution for PETSc.