1)   Outlook LAN Messenger 5.0.0
Instant messaging software designed for use within Small and Corporate Office's Local Area Network. Features include Text & Group Chat, Voice Chat, File Transfer, Offline Messaging. Its Server-less, requires No internet connection & Easy to install.

 2)   Softros LAN Messenger 4.4.1
Softros LAN Messenger is a instant LAN messaging software for home or office users. It does not require a server and is very easy to install and use. Works on the TCP/IP based networks and supports Windows/Citrix terminal services.

 3)   LanTalk XP 2.93.7445
Effective communications for the office and home environment. If you work in a busy environment and need to communicate with others in the office, or maybe even colleagues in another building, make life easy for yourself and install LanTalk XP.

 4)   PopMessenger 1.61
Use this complete small to large enterprise level instant communication solution to set up instant communication environment on corporate network without having to use dedicated server or third party services. Download your FREE trial copy now!

 5)   LanToucher Network Chat 1.0b3
LanToucher Network Chat is small and easy-to-use chat software for your small office or home LAN (Local Area Network). Serverless (P2P) messaging; No dedicated server or Internet connection is required.

 6)   Trusted Messenger 2.7
Effective communications for the office. Converse with colleagues in real time. Messages can be sent to any network users through their network user name or computer name, messages can be sent to all network users simutlaneously with a single click.

 7)   DynaTalk 2.0
DynaTalk is an easy-to-use application that allows you to send and receive text messages on a local network. DynaTalk doesn't require special configuration or dedicated servers.

 8)   OfficePopup 2.30
OfficePopup allows the management team to inform employees about any important events or incidents by sending messages to entire departments or individual users on your network. OfficePopup runs on any TCP/IP based local area network (LAN).

 9)   BigAnt Messenger 2.43
BigAnt Messenger is a secure corporate instant messaging program, with instant messaging, file sharing, voip, video chat, offline messaging, web conferencing, and group broadcast.