Just came across a new player in the social media game...
sez.us
Currently in beta but taking registrations. Took a brief look and it's a VERY basic format with very few features (if any) so it's not going to out do CoSo anytime soon (even in ostrich mode).
CounterSocial is the first Social Network Platform to take a zero-tolerance stance to hostile nations, bot accounts and trolls who are weaponizing OUR social media platforms and freedoms to engage in influence operations against us. And we're here to counter it.