If you want security and a paranoid like setup just use Tox. If you want a no-brainer chat app with video support, there's GNU Jami. If you want resilence on natural disasters, keep Braid somewhere.
Tox is not secure.
Jason Donnenfeld (of Wireguard fame) filed a very alarming issue about how obviously bad the handshake was implemented[1], and lead developer Andre Almeida (iphydf/noavarice) continued to downplay the severity in public, while fashioning exploits based on it inside his "Club Cyberia" Tox group to weaponize said issue.
