libMesh is quite a tool for anyone looking for FEM software: http://libmesh.github.io/ http://libmesh.github.io/ "...a framework for the numerical simulation o

libMesh is quite a tool for anyone looking for FEM software: http://libmesh.github.io/ http://libmesh.github.io/ "...a framework for the numerical simulation of partial differential equations using arbitrary unstructured discretizations on serial and parallel platforms... support for adaptive mesh refinement... supports 1D, 2D, and 3D steady and transient simulations on a variety of popular geometric and finite element types."