We need some sort of system that's both distributed (anyone can host) and centralized (one url for a download that doesn't require someone to keep a server up w

We need some sort of system that's both distributed (anyone can host) and centralized (one url for a download that doesn't require someone to keep a server up with an ssl certificate needing monthly renewal until the end of time). We also need to set it up so that the default is that your server using the project also helps host the stuff it needs to run.