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
Elegant Facebook Messenger desktop app
The first messaging platform operating without user identifiers
The game engine for everyone
Private messenger for Windows, Mac, and Linux
LXMF client for Android, Linux and macOS to communicate with people
A New Kind of Instant Messaging
WhatsApp library for NodeJS that connects through the browser app
MSN compatible messenger application
Free and Open Source messaging and emailing app
A GNU/Linux operating system accessible for visually impaired.
Python chatbot framework with Natural Language Understanding
In-memory message queue with an Amazon SQS-compatible interface
Franz is a free messaging app for services like WhatsApp, Slack, etc,
Open source machine learning framework to automate text conversations
A framework agnostic PHP library to build chat bots
Modern XMPP ("Jabber") Chat Client using GTK/Vala
A free (libre) open source, mobile OS for Ethereum
A Tox-based instant messaging and video chat client
Distributed instant messaging system for developers
Desktop application for Instagram DMs