libsignal

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

The WhatsApp API

Automatic compilation of native libraries for the Signal messenger

Client lib for libsignal-protocol-c. Implements the necessary interfaces using gcrypt and SQLite.

Erlang NIF binding for libsignal-protocol-c

The session and cipher for groups, based on libsignal-protocol-javascript.

A safe instant messenger/social media app with end-to-end encryption

Cross-platform BEAM (Erlang/Elixir/Gleam) implementations of the Signal Protocol

Go variant of https://github.com/signalapp/curve25519-java