Telegram Desktop messaging app
Private messenger for Windows, Mac, and Linux
A Decentralized, Onion Routed, Private Messenger
Elegant Facebook Messenger desktop app
The first messaging platform operating without user identifiers
WhatsApp library for NodeJS that connects through the browser app
A reference implementation of the SimpleX Messaging Protocol
Open source machine learning framework to automate text conversations
Telegram Web A, GPL v3
A New Kind of Instant Messaging
A hex editor for WeChat/QQ/TIM
Home to the Signal Protocol and other cryptographic primitives
Python chatbot framework with Natural Language Understanding
A Tox-based instant messaging and video chat client
Franz is a free messaging app for services like WhatsApp, Slack, etc,
A free (libre) open source, mobile OS for Ethereum
ADAMANT decentralized Messenger, progressive web application
Desktop client for Facebook Messenger
Tock, the open source conversational AI toolkit
Telegraph is a Laravel package for fluently interacting with Telegram
In-memory message queue with an Amazon SQS-compatible interface
Distributed instant messaging system for developers
A universal instant messaging (IM) program
You can message and share files inside your intranet without a server.
Development toolkit for Web Services and XML data bindings for C & C++