Free home networks software for windows

A very useful messaging software for your office or home LAN LanToucher Network Chat is small and easy-to-use chat software for your small office or home LAN (Local Area Network).
This easy-to-use LAN chat program with simple, intuitive user interface and a minimum of settings to adjust is an easy text communication solution for your small office LAN and a perfect chat application for your private home network or intranet. LanToucher Network Chat software supports the system tray (taskbar notification area) and sound notification on new messages.
Based on peer-to-peer technology, LanToucher allows users to communicate directly with one another. No dedicated server or Internet connection is required. And it is absolutely FREE!
LanToucher Network Chat is a quick and easy application for communicating on your home or small office network. It is compatible with Microsoft WinPopup (Windows 3.x/95/98/ME), Messenger service / net send command (Windows NT/2000/XP/Server 2003), Samba smbclient (Unix/Linux), and a broad range of compatible instant messengers based on the standard SMB/CIFS protocol.
Main features:
- True serverless (peer-to-peer) messaging;
- Proven cross-platform compatibility;
- All 32-bit Windows versions support;
- Works over any available network transport protocol (TCP/IP, IPX/SPX, or NetBEUI)
- No dedicated server or Internet connection is required;
- Taskbar notification area (system tray) support;
System requirements:
- A computer connected to a LAN and another computer(s) to exchange messages

AMD PCnet-Home Based Network Adapter (Generic)