Browse free open source Messaging platforms and projects for Linux below. Use the toggles on the left to filter open source Messaging platforms by OS, license, language, programming language, and project status.
You can message and share files inside your intranet without a server.
A universal instant messaging (IM) program
Development toolkit for Web Services and XML data bindings for C & C++
Telegram Desktop messaging app
The first messaging platform operating without user identifiers
WhatsApp library for NodeJS that connects through the browser app
A New Kind of Instant Messaging
Open source machine learning framework to automate text conversations
The game engine for everyone
Private messenger for Windows, Mac, and Linux
Elegant Facebook Messenger desktop app
Telegraph is a Laravel package for fluently interacting with Telegram
Free and Open Source messaging and emailing app
A reference implementation of the SimpleX Messaging Protocol
A GNU/Linux operating system accessible for visually impaired.
Desktop application for Instagram DMs
Desktop chat client for Google Hangouts
Modern XMPP ("Jabber") Chat Client using GTK/Vala
Python chatbot framework with Natural Language Understanding
Distributed instant messaging system for developers
LXMF client for Android, Linux and macOS to communicate with people
A free (libre) open source, mobile OS for Ethereum
Franz is a free messaging app for services like WhatsApp, Slack, etc,
Create chat bots for Facebook Messenger, Slack, Amazon Alexa, etc.
A Tox-based instant messaging and video chat client