There are 59 repositories under messenger topic.
Telegram Desktop messaging app
IM Chat
Instant messaging platform. Backend in Go. Clients: Swift iOS, Java Android, JS webapp, scriptable command line; chatbots
An elegant messages UI library for iOS
Elegant Facebook Messenger desktop app
Free and Open Source messaging and emailing app that combines common web applications into one.
A community-driven replacement for JSQMessagesViewController
Open source alternative communication platform.
Franz is a free messaging app for services like WhatsApp, Slack, Messenger and many more.
a free (libre) open source, mobile OS for Ethereum
A full featured Live Chat, Support & Marketing platform, alternative to Intercom, Drift, Crisp, etc from cience.com
Reference client for Bitmessage: a P2P encrypted decentralised communication protocol:
Simple user messaging package for Laravel
Experimental Telegram web client with tdlib, webassembly and react js under the hood
This is not an official Facebook product, and is not affiliated with, or sponsored or endorsed by, Facebook.
Timy - open source mobile app for groups to communicate and organize themselves. Built with flutter.
golang im server
Messaging APIs for multi-platform
Open-source XMPP client for Android
Unofficial open source mtproto server written in golang with compatible telegram client.
Open source alternative communication platform
Chat SDK Android - Open Source Mobile Messenger
:speech_balloon: A UI framework for building messenger interfaces on iOS
Session Desktop - Onion routing based messenger
:speech_balloon: A community-driven python bot that aims to be as simple as possible to serve humans with their everyday tasks
Ncurses based XMPP client
Build your own chat UI with React components in few minutes. Chat UI Kit from chatscope is an open source UI toolkit for developing web chat applications.
👽 Wire for web
Email-based instant messaging for Android.