ADAMANT decentralized Messenger, progressive web application
A glossy Matrix collaboration client for Android
signal-cli provides a commandline, dbus and JSON-RPC interface
A free (libre) open source, mobile OS for Ethereum
Development toolkit for Web Services and XML data bindings for C & C++
A GNU/Linux operating system accessible for visually impaired.
Chat Messenger. E-Mail-Client. Websearch. Filetransfer.
IXSF Messenger is a java-based messenger
Desktop client for Facebook Messenger
The cult-favourite eMail client formerly known as Qualcomm Eudora
A Node client for the Facebook Messenger Platform
Internal communication software for business
A simple & beautiful desktop client for Facebook Messenger
ERP, IP PBX, Accounting, CRM, Time tracking, and etc.
Easy to Use Free & Lightweight Home/Media/Gaming Linux Desktop
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A small (ish) messaging server for anything you can think of
modifiable, predefined selection lists 4 clarity, efficacy, efficiency
Simple and lightweight IM client
simple yahoo messenger client
Start sending messages in Akila’ize Language to your Google friends
Chat Messenger written in Java