Hi! App.net was a microblogging social network, active from 2012 to 2017. Right before it shut down, I downloaded a copy of all the posts on the platform via the API. Those posts are available here as JSON.
Here’s the structure of the main URLs:
I hope this is useful if you need to access your old posts.
P.S. If you need a new home on the web for your content, consider Micro.blog. 🙂