I think you stopped reading before you reached this part:
>At some point I tried recompiling it for a newer iOS, and I get hundreds of message about depricated APIs that I had to change to get it accepted by Apple.
>At some point I tried recompiling it for a newer iOS, and I get hundreds of message about depricated APIs that I had to change to get it accepted by Apple.
Sure you can.
Put the source code up on Github and anyone can download and sideload it on their device. Don't even need a developer account to do that these days.