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