There's one on sh.itjust.works (with around 1,000 subscribers,) but they aren't currently federated with Beehaw, so if your account is a Beehaw account, you'll have to make an account on sh.itjust.works or another instance that feterates with them if you'd like to post, comment, or vote.

Here's the link: https://sh.itjust.works/c/noncredibledefense