SecureBit.chat is described as 'World's most secure P2P messenger. End-to-end encrypted, zero-server architecture, quantum-resistant roadmap. WebRTC direct connections, advanced ECDH + DTLS + SAS verification, full ASN.1 validation' and is a instant messenger in the social & communications category. There are more than 50 alternatives to SecureBit.chat for a variety of platforms, including Android, Mac, Linux, Windows and iPhone apps. The best SecureBit.chat alternative is Signal, which is both free and Open Source. Other great apps like SecureBit.chat are Telegram, Element, Matrix and Tox.