In addition to what dandelion said, Briar is P2P, uses Tor by default. Signal is as a good everyday messenger in your communication with family and friends. For people with extreme threat models like activists and investigative journalists, Briar is much better.
Signal is USA based, Signal uses Amazon servers. For Signal you need to expose your phone number. With Signal you need Internet access, but with Briar you can use local blue-tooth and WiFi internal addresses. Then there is the new pin feature of Signal which undermines Signal original privacy and security goals.
What are the advantages over Signal?
In addition to what dandelion said, Briar is P2P, uses Tor by default. Signal is as a good everyday messenger in your communication with family and friends. For people with extreme threat models like activists and investigative journalists, Briar is much better.
Signal is USA based, Signal uses Amazon servers. For Signal you need to expose your phone number. With Signal you need Internet access, but with Briar you can use local blue-tooth and WiFi internal addresses. Then there is the new pin feature of Signal which undermines Signal original privacy and security goals.