@how I don't want to register an account on any of these platforms, I want to be able to participate from my existing fediverse account! And I can on both SocialHub and activitypub.space (although both platforms currently have some major bugs that affect participation).
The discussions on @laurenshof substrate post are an interesting compare-and-contrast.
28 posts by 14 posters on activitypub.space](https://community.nodebb.org/topic/cd9c1acf-033d-4844-9e60-022ac7706364/new-socialhub-and-the-substrate-of-decentralised-networks), with 28 posts by 14 posters,
15 posts by 8 posters on SocialHub
It would be interesting to investigate why some of the posts that are showing up over there aren't showing up over here (and conversely), that probably reflects some bugs somewhere.