Signal is a closed network, and doesn't permit people to build clients that run on their network. You can fork Signal, but your fork won't be able to talk with

Signal is a closed network, and doesn't permit people to build clients that run on their network. You can fork Signal, but your fork won't be able to talk with any Signal users. https://lwn.net/Articles/687294/ https://lwn.net/Articles/687294/