NTPager it is useful network messenger for Windows NT and Windows 2000 systems. It allows you to send messages to one user or several users of your network, using simple and handy interface. The list of network users divided by workgroups or domains, so to send a message to anyone simply select the computer from the list, type in your message and press "Send" button. Has a history of received and sent messages. This allows fast forwarding or replying messages in your history.

Ariolic PopupMe is a small and ... on Windows 9x/Windows ME (Ariolic NTPager and Ariolic NetSend).