ChatSecure is a free and open source encrypted chat client for iOS that supports OTR and OMEMO encryption over XMPP.

• UpdatedAug 1, 2024
• Objective-C

Web-based XMPP/Jabber chat client written in JavaScript

• UpdatedMar 15, 2025
• JavaScript

Modern XMPP ("Jabber") Chat Client using GTK/Vala

• UpdatedMar 12, 2025
• Vala

XEP-0384: OMEMO Encryption for libpurple.

• UpdatedOct 28, 2024
• C

(M) XMPP client for macOS based on TigaseSwift XMPP library

• UpdatedJan 31, 2025
• Swift

(M) Public Project of Tigase Messenger for iOS devices based on Tigase Swift XMPP library.

• UpdatedFeb 7, 2025
• Swift

The | state-of-the-art | secure-by-default | one-touch-deployed | XMPP server for everyone.

• UpdatedOct 31, 2020
• Shell

A WIP secure XMPP client for UWP (Windows 10) devices.

• UpdatedJan 8, 2023
• C#

Gajim plugin for OMEMO Multi-End Message and Object Encryption

• UpdatedNov 28, 2016

(M) Android XMPP Client

• UpdatedJun 21, 2023
• Java

An experiment in building a better XMPP client. This time using Flutter (mirror)

• UpdatedNov 16, 2024
• Dart

Officially supported Psi plugins

• UpdatedFeb 9, 2025
• C++

Tracking the Progress of OMEMO Integration in various clients

• UpdatedFeb 11, 2025
• SCSS

Implements OMEMO in C.

• UpdatedOct 16, 2023
• C

Codebase snapshots for Psi+ project

• UpdatedFeb 11, 2025
• C++

OMEMO Xtra for Adium (packaging the lurch and carbons libpurple plugins)

• UpdatedAug 16, 2022
• Makefile

A Dart implementation of the cryptography needed for OMEMO 0.8.3 (mirror)

• UpdatedSep 29, 2024
• Dart

A modular and portable open source XMPP client library written in Java for Android and Java (SE) VMs

• UpdatedOct 24, 2024
• Java

Desktop Jabber/XMPP client based on Converse.js and Electron

• UpdatedAug 9, 2020
• JavaScript

OnionComms is a repository of script to run an onion server and guides to configure client side applications to connect to any onion service that uses the same protocol, therefore, onion communications.

• UpdatedFeb 8, 2022
• Lua