I started using nostr:npub1wmr34t36fy03m8hvgl96zl3znndyzyaqhwmwdtshwmtkg03fetaqhjg240 ‘s thing which crossposts to Twitter. But I’m more focused on Bluesky to be honest. It’s still locked-open, but (at the moment) it’s just easier for people to signup to, for example with starter packs.