NetPCLinker (p2p) (Chat, FilesTransfer, Phone, Share)
A set of high-quality WeChat applet UI component library
The pinnacle of file-sharing and chat - an innovative DC client!
WeLive5 is an online customer service system, online support
WeLive is an online customer service system, online support
Simple open source php based HTML5 rich web chat system
A simple spambot/bad word kicker for mIRC and AdiIRC
WebRTC complete web based Party Line Voice Chat Script
An example of a simple chat system
Alice Next Generation (internet entity)
A simple & beautiful desktop client for Facebook Messenger
This Program Contains Many Useful Network Tools
A Lightweight, Simple chating option for conversation
An OpenSource Chat Solution
Community-driven python bot that aims to be as simple as possible
Darkbot is an AI robot for IRC, especially useful for help channels.
Simple IRC Server written in Java
PinoyChat: The International Chatroom App for Desktop
The BattleShip is an online game developed in Java.
A small, reliable, local network messenger that doesn't need internet
Instant Messenger Application
A small (ish) messaging server for anything you can think of