Apps with 'Signal Protocol' feature

An encrypted messaging app focused on privacy, supporting texts, calls, photos, videos, files, and group chats, with no ads or trackers.

Free messaging without SMS fees, web sync, and multimedia sharing, supporting group and video chats, available on iPhone, Android, and desktop.

Android keyboard for secure E2EE communication through the signal protocol in any messenger. Communicate securely and independent, regardless of the legal situation or whether messengers use E2EE.

Radar is a private messenger with built-in Bitcoin payments over the Lightning Network. It is a fork of Signal and keeps Signal's end-to-end encryption. Radar is an independent project and is not affiliated with or endorsed by Signal Messenger, LLC.

IrisChat is a lightweight, open-source IRC client for Android with a clean modern interface, local database encryption, and end-to-end encrypted DMs via the Signal Protocol.

An open source crypto wallet with Signal messaging.

The Signal Protocol (formerly known as the TextSecure Protocol) is a non-federated cryptographic protocol that provides end-to-end encryption for voice and instant messaging conversations.