A New Kind of Instant Messaging
Mattermost Desktop application for Windows, Mac and Linux
An alternative Discord client with voice support made with C++ and GTK
A patched version of discord, with bot login support
The first messaging platform operating without user identifiers
A private messenger for iOS
Open source machine learning framework to automate text conversations
WhatsApp library for NodeJS that connects through the browser app
Take control of your Discord experience with GoofCord
Mumble is an open-source, low-latency, high quality voice chat
A glossy Matrix collaboration client for the web
GTK4 Discord client in Go, attempt #4
Tiny alternative Discord client with a smaller footprint and support
Elegant Facebook Messenger desktop app
The Leading Open Source Communication Hub | Community Version
Feature rich WhatsApp Client for Desktop Linux
Private messenger for Windows, Mac, and Linux
Video- & audio-conferencing app for Nextcloud
Java wrapper for the popular chat & VOIP service
The game engine for everyone
A Laravel chat package. You can use this package to create a chat app
Telegram messenger for Android
(Golang) Go bindings for Discord
Franz is a free messaging app for services like WhatsApp, Slack, etc,
Powerful open source team chat application