Soupault's maintainer is Daniil Baturin.
If you have found a bug, the best place to report it is github.com/dmbaturin/soupault/issues. Feature requests are welcome, too.
If you are using soupault and want your website added to the user list, or you just want to contact the maintainer directly, send an email
daniil+soupault@[maintainer's last name].org.