gfan(1) on Linux
The text ce1e1bd084e4, as Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie) shipped it.
tool to compute Gröbner fans and tropical varieties
Flags it lists
-
--help -
--log1 -
--log2... -
--stdin -
--stdout -
--xml