More joists. Each pic is a different joists - but it's literally almost every one of them. The rafters are about 90/10 for ones starting to pull apart... Some up to 2" apart by now, others not so much. Some are lifting upwards, some coming sraight sideways...
Excuse the dramatic title, although I'm not sure how far off being dramatic it is. And I'm sorry that it'll be a long post, but I'll try to keep it as short as possible.
So, this house has gotten some severe water damage due to flooding (the idiots who built the place never put in a foot valve...