1. CCA specification (April 2008), http://www.cca-forum.org/specification
2. Hypre: Scalable Linear Solvers: high performance preconditioners (April 2008), http://www.llnl.gov/CASC/linear_solvers/
3. PETSc: Portable Extensibel Toolkit for Scientific Computation (April 2008), http://www-unix.mcs.anl.gov/petsc/petsc-as/
4. SuperLU: Direct Solver Package of large, sparse, nonsymmetric systems of linear equations (April 2008), http://crd.lbl.gov/~xiaoye/SuperLU/
5. The Trilinos Project (April 2008), http://software.sandia.gov/trilinos