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

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.