nauty-geng(1) on Linux
The text e7ecf00ad0f5, as Debian 11 (Bullseye) shipped it.
generate small graphs
Flags it lists
-
-C -
-D# -
-b -
-c -
-d# -
-f -
-g -
-h -
-l -
-m -
-q -
-s -
-t -
-u -
-v