Signal is the world’s most widely used truly private messaging app, and our cryptographic technologies provide extra layers of privacy beyond the Signal app itself. Since launching in 2013, the Signal Protocol—our end-to-end encryption technology—has become the de facto standard for private commu...
Signal isn’t a federated protocol, so even if they were incentivized to release all the server bits and pieces, it would not help. You could run your own, but wouldn’t be able to reach-out to your friends running theirs.