An alternative Discord client with voice support made with C++ and GTK
Mumble is an open-source, low-latency, high quality voice chat
Feature rich WhatsApp Client for Desktop Linux
The extensible chat client
Chat client for Twitch
Miranda NG: Next Generation of Miranda IM
A realtime distributed messaging platform
A Windows client for the Direct Connect networks
Psi+ Project — development branch of Psi XMPP client
Development toolkit for Web Services and XML data bindings for C & C++
UFONet - Denial of Service Toolkit
Chat Messenger. E-Mail-Client. Websearch. Filetransfer.
Psi IM — Qt-based XMPP client
A modern, AI-Smart, WASTE p2p for ipv4 and invisible address spaces
Unofficial discord client for the Nintendo Switch
Full mIRC MSL Script
The cult-favourite eMail client formerly known as Qualcomm Eudora
A cross platform NINJAM client with linear chain-streaming mode
for Adium, Pidgin, Miranda and Telepathy IM Framework
File sharing client with chat
The pinnacle of file-sharing and chat - an innovative DC client!