56zc reference
I recently came across a new platform while browsing, and I was surprised by how smooth and fast the overall experience feels compared to others I've tried before, especially in terms of loading speed and usability
http://write.tildeverse.org/t98zzn5m7j/98z-reference
https://news.kofo.com/kk9oqvlyt/kk9-reference
https://write.midov.pl/p577ffr6igb/577f-reference