0xchat is described as 'Secure chat app built on the Nostr protocol. It prioritizes security, featuring private key login, encrypted private chats and contacts, encrypted group chats' and is a instant messenger in the social & communications category. There are more than 50 alternatives to 0xchat for a variety of platforms, including Android, Mac, iPhone, Windows and Linux apps. The best 0xchat alternative is Signal, which is both free and Open Source. Other great apps like 0xchat are Telegram, Element, Discord and Matrix.