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QuickPopUp X (previously MacPopUp) is a program that allows Mac users to exchange instant messages with other users on any local area network (LAN). With MacPopUp, you can send and receive messages from different operating systems such as Mac OS, Windows 95/98, Windows NT, Windows for Workgroups, Linux, and other Unix operating systems. MacPopUp is compatible with the Microsoft WinPopup application and similar clients in other operating systems.

MacPopUp can be used on the networks where only Mac OS-compatible computers are installed. MacPopUp features include the ability to send messages to an individual user or to a

What's New

Version 4.5:
  • Universal Binary


Mac OS X 10.0 or later

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1.5 1


Current Version (4.x)


Downloads 7,224
Version Downloads 3,504
License Shareware
Date 22 Aug 2006
Platform OS X / PPC 32
Price Free