Okay. I meant no judgement on lineage or merit, but producthunt is the relative frame of reference that I think most people on HN would understand.

Can you clarify on your point, though? PH has been around since at least 2013. The .chat TLD didn't go live until 2015, and that specific domain was registered is late 2017. Do you mean a specific features like todo or something?

Both sites are ostensibly primarily motivated by self-promotion, usually under the guise of some sort of public productivity tools.