I had read his post. There were plenty of other comments asking how/where and this makes it an easy option.

If you are looking to do this then go check out Mail in A Box

Great collection and super helpful forums

https://mailinabox.email/

That’s really cool. Would be awesome to play that today.

It kind of barely touches on FoundryVTT which is pretty much the best of the bunch if you are ok with running your own server:

-you own it -you own the content -lots of modules and very active development and support. Both official and fan based -great to use for a number of systems from DND to Warhammer and too many to list on mobile -very slick to use and macros allow you to do many cool things easily

An export/import for “subscribed” communities would encourage a lot of people to do this.