FreeFEM is an implementation of the Gfem language dedicated to the finite
element method.
Gfem is a scientific product to help you solve Partial Differential 
Equations in 2 dimensions; it assumes a basic knowledge and understanding 
of the Finite Element Method and of the Operating System used. NUMERICA 
is not responsible for any errors or damage due to wrong results.

WWW: http://www.asci.fr/~prudhomm/gfem-html/