VoiceCom is a Software Intercom PC application for push to talk voice communication. VoiceCom is designed for voice communication between up to 40 PCs over internet or local LAN. Also supports video, text chat and file transfer.
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.
Sending and receiving SMS from/to various applications over LAN and internet, setting of SMS text and recipient groups for various events, data exchange with other applications over shared file, logging all activities, client examples for sending
A net send alternative that's feature-rich yet easy-to-use and install and won't cost you a fortune, RealPopup offers fast, stable communication across your local network. No application server required, just install on your PC and start LAN chat!
Flashdeli (Flash Delivery) is an instant messaging system for your LAN or intranet. This software is a replacement for Microsoft WinPopup or Messenger services. It will give you a solid boost in office productivity.