A self hosted software forge / factory / agent platform / mini heroku thing. It's not polished yet but it's building and maintaining little apps and games. https://github.com/flokkit/apptown

You can try it out on mac or Linux in a temp container.

It's self hostable and can use local models. It's not intended to ticket crush at massive scale or produce huge software overnight. It's for deploying smallish things in a predictable & consistent way, with low friction. Then help maintain them long term (e.g. take care of dependency and container updates and similar chores).