nauty-dretodot(1) on Linux
The text b6c11a3dbeb2, as Debian 9 (Stretch) shipped it.
read graphs and initial coloring in dreadnaut format and write in dot format
Flags it lists
-
-E -
-F# -
-V -
-d# -
-g -
-i -
-m# -
-n# -
-o# -
-v -
-x