npub1s64nrlulut0npls9qxhh0cqncl40k8st3xt9925pmhghcucrusns28cs6t (npub1s64…cs6t) I think they have that, with libcosmic, they seem to be providing what developers would need to make apps for it!
Whether it’s enough, or a good set of tools, it’s probably too early to tell, but they seem to be « dogfooding » it, which is always a good approach.