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
Private messenger for Windows, Mac, and Linux
The first messaging platform operating without user identifiers
The game engine for everyone
Desktop chat client for Google Hangouts
A New Kind of Instant Messaging
WhatsApp library for NodeJS that connects through the browser app
Elegant Facebook Messenger desktop app
Franz is a free messaging app for services like WhatsApp, Slack, etc,
Open source machine learning framework to automate text conversations
Desktop application for Instagram DMs
Telegraph is a Laravel package for fluently interacting with Telegram
LXMF client for Android, Linux and macOS to communicate with people
A free (libre) open source, mobile OS for Ethereum
Python chatbot framework with Natural Language Understanding
Modern XMPP ("Jabber") Chat Client using GTK/Vala
Free and Open Source messaging and emailing app
In-memory message queue with an Amazon SQS-compatible interface
Terminal client for Cabal, the p2p chat platform
MSN compatible messenger application
Create chat bots for Facebook Messenger, Slack, Amazon Alexa, etc.