S

socket

Project Toohak, a free, open-source, socket-based LAN version of Kahoot! (the online quiz game)

A Swift implementation of the SockTalk protocol

Socket-based, SSL IM C++ library

Chat, build on java using Socket's and basic Thread.

A Real Time Cross platform Chatting app made with C++ and Qt Framework.

Reading & Sending Emails from command line. Supports Outlook, Yahoo & Gmail.

Basic TCP sockethandler using StreamSocket compatible with Universal Windows App.

Designed with intent to work with FICS chess server. But so generic that it can be used with practically anything.