anticapitalist.party needs invites, PM me if you want one.
Here's a few others:
https://mastodon.social (bans hate speech and anything illegal in France/Germany, largest)
https://kitty.town/about (bans fash and annoying instances)
https://witches.town/about (same, but only has signups for an hour a day)
Complete list of instances: https://instances.mastodon.xyz/