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
A New Kind of Instant Messaging
The game engine for everyone
Miranda NG: Next Generation of Miranda IM
Distributed messaging and streaming platform with low latency
A Discord Bot to protect your server from spam, invitations
Chat client for Twitch
The extensible chat client
A universal instant messaging (IM) program
You can message and share files inside your intranet without a server.
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++
Chat Messenger. E-Mail-Client. Websearch. Filetransfer.
rabbit instant messaging
Anope hybrid services for use on the Karma-Irc network.
BOT IRC in Perl
Program for filesharing using Direct Connect and ADC protocols
Make any window Always On Top!