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- METIS – A set of serial programs for partitioning graphs, partitioning finite element meshes, and producing fill reducing orderings for sparse matrices.
- ParMETIS – An MPI-based parallel library that implements a variety of algorithms for partitioning unstructured graphs, meshes, and for computing fill-reducing orderings of sparse matrices.
- PETSc – Portable, Extensible Toolkit for Scientific Computation: widely used parallel numerical software library for partial differential equations and sparse matrix computations.