It’s just me… one person development, unless other users reading this want to chime in.
Did not receive any FB messages from you, that I know of. Best way to contact me is directly through my site.
Most of my time is spent doing custom development projects, mostly WooCommerce extensions, but also working with a really large non-profit for several years now on a very big extension to this plugin (the extension is MUCH bigger than this free plugin, and does much much more – adding new features for them every year). Not really looking to create and try to sell any new plugins at this point, as they are more “advertising” for my custom programming services these days (sales of plugins rarely come close to paying for the amount of time to develop them).
This particular plugin started its life as another plugin, and I have added a large number of action/filter hooks to my version to make it easily extensible by anyone with basic knowledge of programming for WordPress. So you could easily hire any competent WordPress developer (wouldn’t have to be me) to add the features you need to this plugin.