Flutter UI project for building a messaging app interface
Telegram Desktop messaging app
LINE Messaging API SDK for Python
A free and open source instant messaging and VoIP platform
A Tox-based instant messaging and video chat client
Desktop Telegram client with good customization and Ghost mode.
Franz is a free messaging app for services like WhatsApp, Slack, etc,
A New Kind of Instant Messaging
The first messaging platform operating without user identifiers
Connect to a Service Bus namespace and administer messaging entities
Yet another matrix client
Distributed instant messaging system for developers
A Decentralized, Onion Routed, Private Messenger
The original full-platform IM communication layer framework
Saves Discord chat logs to a file
Private messenger for Windows, Mac, and Linux
Distributed messaging and streaming platform with low latency
A reference implementation of the SimpleX Messaging Protocol
Free, Open Source, Self-Hosted WhatsApp API Gateway
Graphical client for the Soulseek peer-to-peer network
A hex editor for WeChat/QQ/TIM
Telegram Web A, GPL v3
In-memory message queue with an Amazon SQS-compatible interface
Telegraph is a Laravel package for fluently interacting with Telegram
An open-source cross-platform alternative to AirDrop