Browse free open source Chat software and projects for Mac below. Use the toggles on the left to filter open source Chat software by OS, license, language, programming language, and project status.
A universal instant messaging (IM) program
An intranet chat application that does not require a server.
Development toolkit for Web Services and XML data bindings for C & C++
Psi+ Project — development branch of Psi XMPP client
Psi IM — Qt-based XMPP client
Low-latency, high quality voice chat for gamers
VICIdial Contact Center Suite
An alternative Discord client with voice support made with C++ and GTK
Dev tools to reliably understand text and automate conversations
A patched version of discord, with bot login support
Standalone chat system developed in php, mysql and javascript
Mattermost Desktop application for Windows, Mac and Linux
A glossy Matrix collaboration client for the web
Private messenger for Windows, Mac, and Linux
The first messaging platform operating without user identifiers
Program for filesharing using Direct Connect and ADC protocols
Dark Mode tốt nhất cho Zalo
Tiny alternative Discord client with a smaller footprint and support
The Leading Open Source Communication Hub | Community Version
A New Kind of Instant Messaging
A simple unofficial Discord client to use as an example
WhatsApp library for NodeJS that connects through the browser app