Organizationally, a sub-forum for FanFicFare under 'E-Book Software' makes sense. FanFicFare has three versions: Calibre plugin, CLI and web service.
The question is whether the community is big enough to justify it, especially since the most active part of the community is for the plugin specifically.
The existing
Google Group has 328 members, but few active users. It's primarily used as a place to report problems.
When I asked on the Google Group about moving everything here instead,
the response was quite small--only two, and one of those opposed.
Even if the the mods decide the community size is too small for a 'E-Book Software' level sub-forum, I think that a sub-forum under Calibre > Plugins would be justified due to the amount of traffic and different topics that have been covered in the single plugin thread in past.
I'll send a PM to Alexander Turcic pointing out this thread as previously suggested.