Desktop Telegram client with good customization and Ghost mode.
Telegram Desktop messaging app
Franz is a free messaging app for services like WhatsApp, Slack, etc,
Distributed instant messaging system for developers
Saves Discord chat logs to a file
The first messaging platform operating without user identifiers
Private messenger for Windows, Mac, and Linux
A Decentralized, Onion Routed, Private Messenger
A New Kind of Instant Messaging
Elegant Facebook Messenger desktop app
LXMF client for Android, Linux and macOS to communicate with people
A Tox-based instant messaging and video chat client
Open source machine learning framework to automate text conversations
Modern XMPP ("Jabber") Chat Client using GTK/Vala
WhatsApp library for NodeJS that connects through the browser app
A free and open source instant messaging and VoIP platform
Python chatbot framework with Natural Language Understanding
Ollama Telegram bot, with advanced configuration
Home to the Signal Protocol and other cryptographic primitives
Desktop client for Facebook Messenger
A reference implementation of the SimpleX Messaging Protocol
In-memory message queue with an Amazon SQS-compatible interface
Telegraph is a Laravel package for fluently interacting with Telegram
A free (libre) open source, mobile OS for Ethereum
A multi-channel SMS sending wheel