You also have the options of pleroma, misskey, and a few other options.

I prefer pleroma.

I hold a great dislike for mastadon, though they are all compatible so feel free to do your research for what you are looking for in a software stack. It's hard to move when you establish yourself.

I suspect it's related to the recent news that Elon Musk purchased Twitter (Source: https://www.nytimes.com/2022/10/27/technology/elon-musk-twit...). I think some folks may be curious about alternatives to Twitter given the unknown nature of changes to come.