Telegram Web A, GPL v3
Build and deploy a real time chat application
ADAMANT decentralized Messenger, progressive web application
All your services in one place, built by the community
Java wrapper for the popular chat & VOIP service
The cutest instant messenger in the [matrix]
Zulip Desktop client for Mac, Windows and Linux
Telegram messenger for Android
Lghtweight cross-platform instant messaging app
A cross-platform app ecosystem, bringing iMessage to Android, PC
Desktop client for Facebook Messenger
The original full-platform IM communication layer framework
Qtcord is a Discord client built with Qt aiming to bring a lightweight
Multiplatform Matrix chat client
Development toolkit for Web Services and XML data bindings for C & C++
VICIdial Contact Center Suite
Desktop communication tool: chat, telephony, multimedia
Software per Call Center
Smoke: Android Crypto Chat Messenger
High performance inter-thread messaging library
Chat with Hacker News using natural language
Light weight message application.
Chatbot platform for various instant messenger