ning.
  chaco          - Can also produce multiway partitions directly.
  metisdice      - Multiway partitioning from Metis.

<b><u>Vertex separators.</u></b>
  vtxsep         - Convert a 2-way partition to a vertex separator.
  geosep         - Vertex separator from geometric partitioning.
  specsep        - Vertex separator from spectral partitioning.

<b><u>Nested dissection.</u></b>
  ndperm         - Use any 2-way partitioner for nested dissection.
  geond          - Geometric nested dissect