I enjoy Mastodon a lot. Ad-free, algo-free. I choose what goes in my feed, I do get exposed to external viewpoints by people boosts (aka re-tweets) and i follow hashtags (to get content from people I do not know). But it's extremely peaceful, spam and bots are rare and get flagged quickly. There's a good ecosystem of mobile apps. I can follow a few Bluesky people through a bridge between platforms and they can follow me too.

That's truly all I need.