Message Services

Ah Goeie
A front-end graphical interface to the Net Send command in Windows NT. Use it to send messages to a group of users or a single station. It's simple, easy to use, and free.
http://www.digital-kingdoms.net/ah-goeie/

AlarmTILT
Unified incident handling solution alerting via SMS, e-mail, voice alerts, and pagers.
http://www.alarmtilt.com

Data Mate Communications
Provides hardware and software call-announcing solutions with the Data Mate System and DataTel Call-Announcing software.
http://www.data-mate.com/

Digital Resources, Inc.
The DRI Multi-protocol Message System (MMS) is a general purpose store-and-forward message switching system that maximizes the advantages of modern network techniques.
http://www.digres.com/

Invisend
Graphical front-end for the "net send" command, used to send short messages in Windows NT based LAN. Features group messaging, and nick names.
http://www.geocities.com/arun_ta/index.html

Leong Software Pty Ltd, Australia
ePoster is a utility that turns every computer in the company into a revolving notice board. By using the Windows screen saver function, display web pages to your staff without interfering with their normal work.
http://leong.com.au/ePoster/

Linpopup
A Linux Enhanced port of Winpopup.
http://www.littleigloo.org/software_002.php3

Messageware Incorporated
E-mail consultants, developers, and e-mail software suppliers. Gateways, connectors and directory synchronization for corporate LAN email systems.
http://www.messageware.com

VyPRESS Research
Instant messaging and real-time chatting software for LANs (instead standard WinPopup), corporate WANs and intranets. Powerful and easy to use messaging services.
http://www.winpopup.com

Wireless Messaging Software for Networks
Messenger Net is wireless messaging software of LAN,WAN and Enterprise network users.
http://www.morinfodev.com/messengernet.htm