GUI for Hercules on Linux
On his site you can find pre-built packages in RPM and DEB format.
For us Slackware users, I created Slackware packages as well, after getting some extra information from a very friendly Jacob Dekel.
The packages for Slackware, both 32 & 64 bits versions, can be downloaded from my site here.
The stable 3.06 version of Hercules is not prepared for a Linux GUI, so you will need the latest svn snapshot, also available as a Slackware package on the same page.
The result can be seen here: