nauty

nauty and Traces are programs for computing automorphism groups of
graphs and digraphs (*Traces does not accept digraphs at this time).
They can also produce a canonical label. They are written in a
portable subset of C, and run on a considerable number of different
systems.
There is a small suite of programs called gtools included in the
package. For example, geng can generate non-isomorphic graphs very
quickly. There are also generators for bipartite graphs, digraphs,
and multigraphs.

          

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License: Apache-2.0
URL: http://pallini.di.uniroma1.it/