Apps similar to GetDP include Agros2D, which is free and open source. Other options are QuickField and FEMM. In total there are three apps like GetDP for Windows and Linux.
Agros2D is a multiplatform C++ application for the solution of partial differential equations (PDE) based on the Hermes2D library, developed by the group of Pavel Karban at the University of West Bohemia in Pilsen.
QuickField is a Finite Element Analysis package for electromagnetic, thermal, and stress design simulation with coupled multi-field analysis.
United Kingdom
FEMM is a suite of programs for solving low frequency electro magnetic problems on two-dimensional planar and axisymmetric domains. The program currently add resses linear/nonlinear magneto- static problems, linear/nonlinear time harmonic magnetic problems, linear electrostatic p.
United States
