Source: poshchat.codeplex.com

PoshChat is a PowerShell client/server chat program that allows you to set up a single server as a chat server that relays messages from other clients to each client connected to the server.

Features
  • Able to chat with people connected to chat server
  • Any system can serve as a chat server
  • Supports multiple connections
  • Dynamic list of connected clients on chat client
  • Updates whenever a user connects/disconnects from server