There are 3 repositories under omemo topic.
ChatSecure is a free and open source encrypted chat client for iOS that supports OTR and OMEMO encryption over XMPP.
Web-based XMPP/Jabber chat client written in JavaScript
The | state-of-the-art | secure-by-default | one-touch-deployed | XMPP server for everyone.
A WIP secure XMPP client for UWP (Windows 10) devices.
Gajim plugin for OMEMO Multi-End Message and Object Encryption
An experiment in building a better XMPP client. This time using Flutter (mirror)
Codebase snapshots for Psi+ project
OMEMO Xtra for Adium (packaging the lurch and carbons libpurple plugins)
A Dart implementation of the cryptography needed for OMEMO 0.8.3 (mirror)
A modular and portable open source XMPP client library written in Java for Android and Java (SE) VMs
Desktop Jabber/XMPP client based on Converse.js and Electron
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.
OMEMO Instant Messenger is an open source, user-friendly IM client for the Android platform
Secret is an open-source messenger focused on privacy and security.
Home Made OMEMO Client in < 200 lines of code (MIRROR)
Downloader for OMEMO-encrypted XMPP files
Command Line OMEMO Chat Client - ARCHIVED! Migrated to https://git.jabberhead.tk/vanitasvitae/clocc
End to end encryption message processor which can be used to encrypt messages between two or more devices running on any platform and sent over any messaging protocol.
A modified version of the official "OMEMO" plugin for Gajim that exposes the "unacknowledged message count" as a user configurable value.