LanToucher Instant Messenger 1.541 is a LAN Messenger product from vitalsoundlab.com, get 5 Stars SoftSea Rating, Peer-to-peer messenger for office and home networks. It does not require a server or Internet connection and is capable of sending instant messages to Microsoft WinPopup, NT Messenger Service and Unix/Linux Samba client.
LanToucher IM is compatible with Windows Terminal Services (TS), Remote Desktop (RDP), and Fast User Switching (Windows XP only) that enables multiple users of a single PC or terminal server clients to exchange messages with each other and/or the local network users easily.

LanToucher Messenger Key Features:
1. Proven cross-platform compatibility
LanToucher Messenger is fully compatible with Messenger service / 'net send' (Windows NT 4/2000/XP/Server 2003), WinPopup messenger (Windows 3.x/95/98/Me), Samba smbclient (Unix/Linux) and a broad range of compatible instant messengers based on the standard SMB/CIFS protocol.
2. All 32-bit and 64-bit Windows versions support
LanToucher Messenger supports the following x86 and x64 operating systems: Windows 95, Windows 98, Windows Millennium Edition, Windows NT 4, Windows 2000, Windows XP, Windows Server 2003, Windows Vista, Windows Server 2008, and Windows 7.
3. Low memory and network bandwidth usage
Unlike most fancy messaging applications, LanToucher Messenger needs less than 16 megabytes of RAM and generates minimal network traffic.
4. True peer-to-peer (serverless) connectivity
LanToucher Messenger does not require a dedicated messaging server, so users can communicate directly with one another.
5. LAN-only messaging without file transfer capability
LanToucher Messenger does not require an Internet connection to operate and does not provide a file transfer option. Therefore it is absolutely immune to hacker attacks, viruses, and other security threats inherent to Internet messengers.
6. Multiprotocol support
LanToucher Messenger works perfectly over any available network transport protocol (TCP/IP, IPX/SPX, or NetBEUI).
7. Terminal Services/Remote Desktop support
LanToucher Messenger is compatible with TS and RDP allowing multiple Terminal Server users/Remote Desktop users to contact each other and other network users freely.
8. Feature-rich user interface
While the default options should work fine for most users, LanToucher Messenger offers you dozens of various options you may want to adjust to suit your particular needs.
9. Contact List (ActiveList)
It is pretty easy to add, remove, import, and export your contacts, see whether a person is online or not, send messages to multiple contacts at once, or optionally ignore computers not in your ActiveList. From the ActiveList menu you can easily customize your contacts' settings such as picture/portrait, sounds, message font color and other contact-specific settings.
10. Preset Groups
LanToucher Messenger lets you easily create groups of your existing ActiveList contacts to send private messages in seconds. With strong yet easy to use group management not only you can copy, rename, or merge your groups, but you can also quickly search the groups for specified contacts.
11. Advanced sound and visual notification
With the original LanToucher Messenger sound notifications scheme in conjunction with visual notification you will never miss your important messages and other vital events.
12. User Macros and Status Messages
Instantaneous access to your predefined message templates and status/away messages by a hot key or two mouse clicks.
13. Automatic Message Forwarding
This enables you to automatically forward all incoming messages to another user or computer on your network when you are away from your computer.
14. Advanced Messenger service support (Windows NT 4/2000/XP/Server 2003)
This feature fully controls the state of the Messenger service. Unlike other compatible instant messengers for intranets, LanToucher Messenger pauses the service at startup, and restarts it when shutting down so that you could still receive messages using the Messenger service before logging on, after logging off, and while at the Welcome screen (Windows XP, Windows Vista, and Windows 7). The license of this communication software is Free Trial Software, the price is $11.55, you can free download and get a free trial before you buy. If you want to get a full or nolimited version of LanToucher Instant Messenger, you can buy this communication software.