International Center for Numerical Methods in
Engineering
(CIMNE) develop/market GiD
a pre/post processing environment (including mesh generation) which
can be adapted to the requirements of specific FE programs. The GiD
package is fully-featured but low-cost and free in some cases. See
the IFER GiD entry for further details, or go to the
GiD homepage.
CIMNE is also distributing the open-source program
Kratos, a C++ multiphysics
code.